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139-646: From September 1941 to January 1945, the Transbaikal Front sent to the Soviet fronts in Europe about 300,000 personnel , 1,440 tanks, and 2,230 guns. On November 1, 1941, the Front included the 17th Army with the 36th and 57th Motor Rifle Divisions and the 61st Tank Division, and four air divisions (two fighter, one bomber, and the 84th Mixed Aviation Division), the 36th Army with the 94th Rifle Division ,

278-871: A German naturalist, Peter Simon Pallas , as a valley that once connected the Black Sea and the Caspian Sea, and subsequently was proposed as a natural boundary between continents. By the mid-19th century, there were three main conventions, one following the Don, the Volga–Don Canal and the Volga, the other following the Kuma–Manych Depression to the Caspian and then the Ural River, and the third abandoning

417-643: A Semitic term for west , this being either Akkadian erebu meaning 'to go down, set' (said of the sun) or Phoenician 'ereb 'evening, west', which is at the origin of Arabic maghreb and Hebrew ma'arav . Martin Litchfield West stated that "phonologically, the match between Europa's name and any form of the Semitic word is very poor", while Beekes considers a connection to Semitic languages improbable. Most major world languages use words derived from Eurṓpē or Europa to refer to

556-818: A boundary along the Terek and Kuban rivers, so southwards from the Kuma and the Manych, but still with the Caucasus entirely in Asia. However, most geographers in the Soviet Union favoured the boundary along the Caucasus crest, and this became the common convention in the later 20th century, although the Kuma–Manych boundary remained in use in some 20th-century maps. Some view the separation of Eurasia into Asia and Europe as

695-649: A cave in Georgia. Discoveries in the Hotu cave and the adjacent Kamarband cave , near the town of Behshahr , Mazandaran south of the Caspian in Iran, suggest human habitation of the area as early as 11,000 years ago. Ancient Greeks focused on the civilization on the south shore – they call it the (H)yr(c/k)anian Sea ( Ancient Greek : Υρκανία θάλαττα , with sources noting the latter word was evolving then to today's Thelessa : late Ancient Greek : θάλασσα ). Hafiz-i Abru ,

834-582: A common currency, the euro , and participate in the European single market and a customs union . A large bloc of countries, the Schengen Area , have also abolished internal border and immigration controls. Regular popular elections take place every five years within the EU; they are considered to be the second-largest democratic elections in the world after India's . The EU is the third-largest economy in

973-567: A fall in sea level . The Caspian Sea was a comparatively small endorheic lake during the Pliocene , but its surface area increased fivefold around the time of the Pliocene-Pleistocene transition. During warm and dry climatic periods, the landlocked sea almost dried up, depositing evaporitic sediments like halite that were covered by wind-blown deposits and were sealed off as an evaporite sink when cool, wet climates refilled

1112-623: A fourteenth century Timurid Empire geographer, recorded that the destruction of the Oxus river dam and irrigation works diverted the river flow towards the Caspian Sea, which caused the Aral sea to nearly disappear. Later, in the Tang dynasty (618–907), the sea was the western limit of the Chinese Empire. The area is rich in fossil fuels . Oil wells were being dug in the region as early as

1251-406: A large land mass completely or almost completely surrounded by water at its borders. Prior to the adoption of the current convention that includes mountain divides, the border between Europe and Asia had been redefined several times since its first conception in classical antiquity , but always as a series of rivers, seas and straits that were believed to extend an unknown distance east and north from

1390-763: A precise eastern boundary of Europe arises in the Early Modern period, as the eastern extension of Muscovy began to include North Asia . Throughout the Middle Ages and into the 18th century, the traditional division of the landmass of Eurasia into two continents, Europe and Asia, followed Ptolemy, with the boundary following the Turkish Straits , the Black Sea , the Kerch Strait , the Sea of Azov and

1529-711: A residue of Eurocentrism : "In physical, cultural and historical diversity, China and India are comparable to the entire European landmass, not to a single European country. [...]." During the 2.5 million years of the Pleistocene , numerous cold phases called glacials ( Quaternary ice age ), or significant advances of continental ice sheets, in Europe and North America, occurred at intervals of approximately 40,000 to 100,000 years. The long glacial periods were separated by more temperate and shorter interglacials which lasted about 10,000–15,000 years. The last cold episode of

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1668-488: A result of the petrochemical industry; this has significantly decreased the number of species of marine birds in the area. Existing and planned oil and gas pipelines under the sea further increase the potential threat to the environment. The high concentration of mud volcanoes under the Caspian Sea were thought to be the cause of a fire that broke out 75 kilometers from Baku on July 5, 2021. The State oil company of Azerbaijan SOCAR said preliminary information indicated it

1807-685: A result, the Reconquista took the greater part of eight hundred years, in which period a long list of Alfonsos, Sanchos, Ordoños, Ramiros, Fernandos, and Bermudos would be fighting their Christian rivals as much as the Muslim invaders. During the Dark Ages, the Western Roman Empire fell under the control of various tribes. The Germanic and Slav tribes established their domains over Western and Eastern Europe, respectively. Eventually

1946-743: Is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere . It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east. Europe shares the landmass of Eurasia with Asia, and of Afro-Eurasia with both Asia and Africa . Europe is commonly considered to be separated from Asia by

2085-484: Is a wholly freshwater species. The zebra mussel is native to the Caspian and Black Sea basins, but has become an invasive species elsewhere, when introduced. The area has given its name to several species, including the Caspian gull and the Caspian tern . The Caspian seal ( Pusa caspica ) is the only aquatic mammal endemic to the Caspian Sea, being one of very few seal species that live in inland waters, but it

2224-401: Is also evidence that Homo sapiens arrived in Europe around 54,000 years ago, some 10,000 years earlier than previously thought. The earliest sites in Europe dated 48,000 years ago are Riparo Mochi (Italy), Geissenklösterle (Germany) and Isturitz (France). The European Neolithic period—marked by the cultivation of crops and the raising of livestock, increased numbers of settlements and

2363-488: Is closest to Anatolia (or Asia Minor), but is considered part of Europe politically and it is a member state of the EU. Malta was considered an island of North-western Africa for centuries, but now it is considered to be part of Europe as well. "Europe", as used specifically in British English , may also refer to Continental Europe exclusively. The term "continent" usually implies the physical geography of

2502-405: Is different from those inhabiting freshwaters due to the hydrological environment of the sea. A century ago the Caspian was home to more than one million seals . Today, fewer than 10% remain. Archeological studies of Gobustan Rock Art have identified what may be oceanic species including cetaceans from baleen whales to dolphins , and auks most likely Brunnich's Guillemot , although

2641-675: Is divided into three distinct physical regions: the Northern, Middle, and Southern Caspian. The Northern–Middle boundary is the Mangyshlak Threshold, which runs through Chechen Island and Cape Tiub-Karagan. The Middle–Southern boundary is the Apsheron Threshold , a sill of tectonic origin between the Eurasian continent and an oceanic remnant, that runs through Zhiloi Island and Cape Kuuli. The Garabogazköl Bay

2780-562: Is generally considered a transcontinental country divided entirely by water, while Russia and Kazakhstan are only partly divided by waterways. France, the Netherlands, Portugal and Spain are also transcontinental (or more properly, intercontinental, when oceans or large seas are involved) in that their main land areas are in Europe while pockets of their territories are located on other continents separated from Europe by large bodies of water. Spain, for example, has territories south of

2919-551: Is predicted that during the 21st century, the depth of the sea will decrease by 9–18 m (30–60 ft) due to global warming and the process of desertification , leading to an ecocide . The sea's name stems from Caspi , the ancient people who lived to the southwest of the sea in Transcaucasia . Strabo (died circa AD 24) wrote that "to the country of the Albanians ( Caucasian Albania , not to be confused with

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3058-550: Is sometimes considered to mark the end of antiquity; alternatively antiquity is considered to end with the fall of the Western Roman Empire in 476 CE; the closure of the pagan Platonic Academy of Athens in 529 CE; or the rise of Islam in the early 7th century CE. During most of its existence, the Byzantine Empire was one of the most powerful economic, cultural, and military forces in Europe. During

3197-422: Is somewhat arbitrary and inconsistent compared to any clear-cut definition of the term "continent". The current division of Eurasia into two continents now reflects East-West cultural, linguistic and ethnic differences which vary on a spectrum rather than with a sharp dividing line. The geographic border between Europe and Asia does not follow any state boundaries and now only follows a few bodies of water. Turkey

3336-477: Is the largest and most populous , spanning 39% of the continent and comprising 15% of its population. Europe had a total population of about 745 million (about 10% of the world population ) in 2021; the third-largest after Asia and Africa. The European climate is affected by warm Atlantic currents, such as the Gulf Stream , which produce a temperate climate , tempering winters and summers, on much of

3475-453: Is the saline eastern inlet of the Caspian, which is part of Turkmenistan and at times has been a lake in its own right due to the isthmus that cuts it off from the Caspian. Differences between the three regions are dramatic. The Northern Caspian only includes the Caspian shelf, and is very shallow; it accounts for less than 1% of the total water volume with an average depth of only 5–6 m (16–20 ft). The sea noticeably drops off towards

3614-585: Is the world's largest inland body of water , described as the world's largest lake and usually referred to as a full-fledged sea . An endorheic basin , it lies between Europe and Asia : east of the Caucasus , west of the broad steppe of Central Asia , south of the fertile plains of Southern Russia in Eastern Europe , and north of the mountainous Iranian Plateau . It covers a surface area of 371,000 km (143,000 sq mi) (excluding

3753-570: The Khazar sea : Turkmen : Hazar deňzi ; Azerbaijani : Xəzər dənizi , Turkish : Hazar Denizi . In all these the first word refers to the historical Khazar Khaganate , a large empire based to the north of the Caspian Sea between the 7th and 10th centuries. In Iran, the lake is referred to as the Mazandaran Sea ( Persian : دریای مازندران ), after the historic Mazandaran Province at its southern shores. Old Russian sources use

3892-455: The 210th Rifle Division , the 51st Cavalry Division , and the 31st and 32nd Fortified Regions , the 111th Tank Division , two independent tank battalions, and the 89th Assault Aviation Division. Front troops included the 209th Rifle Division . On May 1, 1945, the Front included the 17th Army with the 85th Rifle Corps (36th and 57th Motor Rifle Divisions), the 284th Rifle Division , another rifle unit, significant numbers of artillery units,

4031-417: The 61st Tank Division , the 36th Army with the 86th Rifle Corps ( 94th and 298th Rifle Divisions ), the 209th , 210th , 278th Rifle Divisions , and 31st Fortified Region, and the 2nd Rifle Corps ( 103rd , 275th , 292nd Rifle Divisions ) plus at front level the 293rd Rifle Division , 59th Cavalry Division , and other units. The armies and corps of the front under Rodion Malinovsky participated in

4170-630: The Azerbaijan Academy of Sciences estimated that the level of the sea was dropping by more than six centimetres per year due to increased evaporation due to rising temperatures caused by climate change . The Volga River , the longest river in Europe, drains 20% of the European land area and is the source of 80% of the Caspian's inflow. Heavy development in its lower reaches has caused numerous unregulated releases of chemical and biological pollutants. The UN Environment Programme warns that

4309-598: The Black Sea . In the late Pontian stage , a mountain arch rose across the south basin and divided it into the Khachmaz and Lankaran Lakes (or early Balaxani ). The period of restriction to the south basin was reversed during the Akchagylian – the lake became more than three times its size today and took again the first of a series of contacts with the Black Sea and Aral Sea . A recession of Lake Akchagyl completed stage one. The earliest hominid remains found around

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4448-845: The Carolingian Renaissance of the 9th century. From that time, the term designated the sphere of influence of the Western Church , as opposed to both the Eastern Orthodox churches and to the Islamic world . A cultural definition of Europe as the lands of Latin Christendom coalesced in the 8th century, signifying the new cultural condominium created through the confluence of Germanic traditions and Christian-Latin culture, defined partly in contrast with Byzantium and Islam , and limited to northern Iberia ,

4587-517: The Don (ancient Tanais ). But maps produced during the 16th to 18th centuries tended to differ in how to continue the boundary beyond the Don bend at Kalach-na-Donu (where it is closest to the Volga, now joined with it by the Volga–Don Canal ), into territory not described in any detail by the ancient geographers. Around 1715, Herman Moll produced a map showing the northern part of the Ob River and

4726-573: The European population at the time. The plague had a devastating effect on Europe's social structure; it induced people to live for the moment as illustrated by Giovanni Boccaccio in The Decameron (1353). It was a serious blow to the Roman Catholic Church and led to increased persecution of Jews , beggars and lepers . The plague is thought to have returned every generation with varying virulence and mortalities until

4865-512: The Greeks and Phoenicians gave rise to early Mediterranean cities. Early Iron Age Italy and Greece from around the 8th century BCE gradually gave rise to historical Classical antiquity, whose beginning is sometimes dated to 776 BCE, the year of the first Olympic Games . Ancient Greece was the founding culture of Western civilisation. Western democratic and rationalist culture are often attributed to Ancient Greece. The Greek city-state,

5004-636: The Inquisition against heretics. In the Iberian Peninsula , the Reconquista concluded with the fall of Granada in 1492 , ending over seven centuries of Islamic rule in the south-western peninsula. In the east, a resurgent Byzantine Empire recaptured Crete and Cyprus from the Muslims, and reconquered the Balkans. Constantinople was the largest and wealthiest city in Europe from the 9th to

5143-801: The Iron Curtain , with NATO in the West and the Warsaw Pact in the East . This divide ended with the Revolutions of 1989 , the fall of the Berlin Wall , and the dissolution of the Soviet Union , which allowed European integration to advance significantly. European integration is being advanced institutionally since 1948 with the founding of the Council of Europe , and significantly through

5282-733: The Irtysh River , a major tributary of the Ob, as components of a series of partly-joined waterways taking the boundary between Europe and Asia from the Turkish Straits, and the Don River all the way to the Arctic Ocean. In 1721, he produced a more up to date map that was easier to read. However, his proposal to adhere to major rivers as the line of demarcation was never taken up by other geographers who were beginning to move away from

5421-630: The Khvalyn or Khvalis Sea ( Хвалынское море / Хвалисское море ) after the name of Khwarezmia . Among Greeks and Persians in classical antiquity it was the Hyrcanian ocean. Renaissance European maps labelled it as the Abbacuch Sea (Oronce Fine's 1531 world map), Mar de Bachu (Ortellius' 1570 map), or Mar de Sala (the Mercator 1569 world map ). It was also sometimes called

5560-419: The Mediterranean Sea —namely, Ceuta and Melilla —which are parts of Africa and share a border with Morocco. According to the current convention, Georgia and Azerbaijan are transcontinental countries where waterways have been completely replaced by mountains as the divide between continents. The first recorded usage of Eurṓpē as a geographic term is in the Homeric Hymn to Delian Apollo , in reference to

5699-490: The Megalithic Temples of Malta and Stonehenge , were constructed throughout Western and Southern Europe. The modern native populations of Europe largely descend from three distinct lineages: Mesolithic hunter-gatherers , descended from populations associated with the Paleolithic Epigravettian culture; Neolithic Early European Farmers who migrated from Anatolia during the Neolithic Revolution 9,000 years ago; and Yamnaya Steppe herders who expanded into Europe from

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5838-427: The Neandertal valley in Germany ) appeared in Europe 150,000 years ago (115,000 years ago it is found already in the territory of present-day Poland ) and disappeared from the fossil record about 40,000 years ago, with their final refuge being the Iberian Peninsula. The Neanderthals were supplanted by modern humans ( Cro-Magnons ), who seem to have appeared in Europe around 43,000 to 40,000 years ago. However, there

5977-432: The Pechenegs and the Cuman-Kipchaks , caused a massive migration of Slavic populations to the safer, heavily forested regions of the north, and temporarily halted the expansion of the Rus' state to the south and east. Like many other parts of Eurasia , these territories were overrun by the Mongols . The invaders, who became known as Tatars , were mostly Turkic-speaking peoples under Mongol suzerainty. They established

6116-409: The Pontic–Caspian steppe of Ukraine and southern Russia in the context of Indo-European migrations 5,000 years ago. The European Bronze Age began c. 3200 BCE in Greece with the Minoan civilisation on Crete , the first advanced civilisation in Europe. The Minoans were followed by the Myceneans , who collapsed suddenly around 1200 BCE, ushering the European Iron Age . Iron Age colonisation by

6255-406: The Serbian Principality (later Kingdom and Empire ), and the Duchy of Croatia (later Kingdom of Croatia ). To the east, Kievan Rus' expanded from its capital in Kiev to become the largest state in Europe by the 10th century. In 988, Vladimir the Great adopted Orthodox Christianity as the religion of state. Further east, Volga Bulgaria became an Islamic state in the 10th century, but

6394-495: The Soviet invasion of Manchuria during August 1945 defeating the Kwantung Army of the Imperial Japanese Army . The fighting had lasted for only about a week when Japan's Emperor Hirohito read the Gyokuon-hōsō on August 15 and declared a ceasefire in the region on August 16. Soviet forces were already penetrating deep into Manchukuo by that time. They continued their largely unopposed advance into Manchukuo's territory, reaching Mukden , Changchun , and Qiqihar by August 20. At

6533-424: The Uzboy River , as did the Syr Darya farther north. The Caspian has several small islands, primarily located in the north with a collective land area of roughly 2,000 km (770 sq mi). Adjacent to the North Caspian is the Caspian Depression , a low-lying region 27 m (89 ft) below sea level . The Central Asian steppes stretch across the northeast coast, while the Caucasus mountains hug

6672-433: The Volga , enters at the shallow north end. Two deep basins form its central and southern zones. These lead to horizontal differences in temperature, salinity, and ecology. The seabed in the south reaches 1,023 m (3,356 ft) below sea level, which is the third-lowest natural non-oceanic depression on Earth after Baikal and Tanganyika lakes. Written accounts from the ancient inhabitants of its coast perceived

6811-426: The decline of the Roman Empire , Europe entered a long period of change arising from what historians call the " Age of Migrations ". There were numerous invasions and migrations amongst the Ostrogoths , Visigoths , Goths , Vandals , Huns , Franks , Angles , Saxons , Slavs , Avars , Bulgars , Vikings , Pechenegs , Cumans , and Magyars . Renaissance thinkers such as Petrarch would later refer to this as

6950-465: The fall of the Western Roman Empire in 476 CE, Christian consolidation of Europe in the wake of the Migration Period marked the European post-classical Middle Ages . The Italian Renaissance spread in the continent a new humanist interest in art and science which led to the modern era . Since the Age of Discovery , led by Spain and Portugal , Europe played a predominant role in global affairs with multiple explorations and conquests around

7089-432: The last glacial period ended about 10,000 years ago. Earth is currently in an interglacial period of the Quaternary, called the Holocene . Homo erectus georgicus , which lived roughly 1.8 million years ago in Georgia , is the earliest hominin to have been discovered in Europe. Other hominin remains, dating back roughly 1 million years, have been discovered in Atapuerca , Spain . Neanderthal man (named after

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7228-517: The polis , was the fundamental political unit of classical Greece. In 508 BCE, Cleisthenes instituted the world's first democratic system of government in Athens . The Greek political ideals were rediscovered in the late 18th century by European philosophers and idealists. Greece also generated many cultural contributions: in philosophy , humanism and rationalism under Aristotle , Socrates and Plato ; in history with Herodotus and Thucydides ; in dramatic and narrative verse, starting with

7367-422: The tidal areas of the Volga delta and riparian forests of the Samur River delta. The shoreline is also a unique refuge for plants adapted to the loose sands of the Central Asian Deserts . The principal limiting factors to successful establishment of plant species are hydrological imbalances within the surrounding deltas, water pollution , and various land reclamation activities. The water level change within

7506-401: The twelfth largest by nominal GDP and sixth largest by purchasing power parity in 2015. Russia's extensive mineral and energy resources are the largest such reserves in the world, making it the second leading producer of oil and natural gas globally. Caspian littoral states join efforts to develop infrastructure, tourism and trade in the region. The first Caspian Economic Forum

7645-457: The watershed of the Ural Mountains , the Ural River , the Caspian Sea , the Greater Caucasus , the Black Sea , and the waterway of the Bosporus Strait . Europe covers about 10.18 million km (3.93 million sq mi), or 2% of Earth's surface (6.8% of land area), making it the second-smallest continent (using the seven-continent model ). Politically, Europe is divided into about fifty sovereign states , of which Russia

7784-402: The "Dark Ages". Isolated monastic communities were the only places to safeguard and compile written knowledge accumulated previously; apart from this, very few written records survive. Much literature, philosophy, mathematics, and other thinking from the classical period disappeared from Western Europe, though they were preserved in the east, in the Byzantine Empire. While the Roman empire in

7923-411: The 10th century to reach oil "for use in everyday life, both for medicinal purposes and for heating and lighting in homes". By the 16th century, Europeans were aware of the rich oil and gas deposits locally. English traders Thomas Bannister and Jeffrey Duckett described the area around Baku as "a strange thing to behold, for there issueth out of the ground a marvelous quantity of oil, which serveth all

8062-461: The 12th centuries, with a population of approximately 400,000. The Empire was weakened following the defeat at Manzikert , and was weakened considerably by the sack of Constantinople in 1204 , during the Fourth Crusade . Although it would recover Constantinople in 1261, Byzantium fell in 1453 when Constantinople was taken by the Ottoman Empire . In the 11th and 12th centuries, constant incursions by nomadic Turkic tribes, such as

8201-401: The 12th to the 15th centuries, the Grand Duchy of Moscow grew from a small principality under Mongol rule to the largest state in Europe, overthrowing the Mongols in 1480, and eventually becoming the Tsardom of Russia . The state was consolidated under Ivan III the Great and Ivan the Terrible , steadily expanding to the east and south over the next centuries. The Great Famine of 1315–1317

8340-477: The 14th and 16th centuries: it saw the flowering of art , philosophy , music , and the sciences , under the joint patronage of royalty , the nobility, the Roman Catholic Church and an emerging merchant class. Patrons in Italy, including the Medici family of Florentine bankers and the Popes in Rome , funded prolific quattrocento and cinquecento artists such as Raphael , Michelangelo and Leonardo da Vinci . Caspian Sea The Caspian Sea

8479-444: The 18th century. During this period, more than 100 plague epidemics swept across Europe. The Renaissance was a period of cultural change originating in Florence , and later spreading to the rest of Europe. The rise of a new humanism was accompanied by the recovery of forgotten classical Greek and Arabic knowledge from monastic libraries, often translated from Arabic into Latin . The Renaissance spread across Europe between

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8618-400: The 50 years of peace that followed are known as Golden Age of Athens , the seminal period of ancient Greece that laid many of the foundations of Western civilisation. Greece was followed by Rome , which left its mark on law , politics , language , engineering , architecture , government , and many more key aspects in western civilisation. By 200 BCE, Rome had conquered Italy and over

8757-433: The Black Sea basin or widespread Palearctic species such as crucian carp , Prussian carp , common carp , common bream , common bleak , asp , white bream , sunbleak , common dace , common roach , common rudd , European chub , sichel , tench , European weatherfish , wels catfish , northern pike , burbot , European perch and zander . Almost 30 non-indigenous, introduced fish species have been reported from

8896-421: The British Isles, France, Christianised western Germany, the Alpine regions and northern and central Italy. The concept is one of the lasting legacies of the Carolingian Renaissance : Europa often figures in the letters of Charlemagne's court scholar, Alcuin . The transition of Europe to being a cultural term as well as a geographic one led to the borders of Europe being affected by cultural considerations in

9035-455: The Caspian "suffers from an enormous burden of pollution from oil extraction and refining, offshore oil fields, radioactive wastes from nuclear power plants and huge volumes of untreated sewage and industrial waste introduced mainly by the Volga River". The magnitude of fossil fuel extraction and transport activity in the Caspian also poses a risk to the environment. The island of Vulf off Baku , for example, has suffered ecological damage as

9174-492: The Caspian Sea are from Dmanisi dating back to around 1.8 Ma and yielded a number of skeletal remains of Homo erectus or Homo ergaster . More later evidence for human occupation of the region came from a number of caves in Georgia and Azerbaijan such as Kudaro and Azykh Caves . There is evidence for Lower Palaeolithic human occupation south of the Caspian from western Alburz. These are Ganj Par and Darband Cave sites. Neanderthal remains also have been discovered at

9313-470: The Caspian Sea as an ocean, probably because of its salinity and large size. With a surface area of 371,000 square kilometres (143,000 sq mi), the Caspian Sea is nearly five times as big as Lake Superior (82,000 square kilometres (32,000 sq mi)). The Caspian Sea is home to a wide range of species and is famous for its caviar and oil industries. Pollution from the oil industry and dams on rivers that drain into it have harmed its ecology. It

9452-550: The Caspian Sea is an indirect reason for which plants may not get established. These affect aquatic plants of the Volga Delta, such as Aldrovanda vesiculosa and the native Nelumbo caspica . About 11 plant species are found in the Samur River delta, including the unique liana forests that date back to the Tertiary period . Since 2019 UNESCO has admitted the lush Hyrcanian forests of Mazandaran , Iran as World Heritage Site under category (ix). The Caspian turtle ( Mauremys caspica ), although found in neighboring areas,

9591-434: The Caspian Sea, but only a few have become established. Six sturgeon species, the Russian , bastard , Persian , sterlet , starry and beluga , are native to the Caspian Sea. The last of these is arguably the largest freshwater fish in the world . The sturgeon yield roe (eggs) that are processed into caviar . Overfishing has depleted a number of the historic fisheries. In recent years, overfishing has threatened

9730-431: The Caspian region economies are highly dependent on this type of mineral wealth. The world energy markets were influenced by Azerbaijan and Kazakhstan, as they became strategically crucial in this sphere, thus attracting the largest share of foreign direct investment (FDI). All of the countries are rich in solar energy and harnessing potential, with the highest rainfall much less than the mountains of central Europe in

9869-448: The Don altogether, following the Greater Caucasus watershed to the Caspian. The question was still treated as a "controversy" in geographical literature of the 1860s, with Douglas Freshfield advocating the Caucasus crest boundary as the "best possible", citing support from various "modern geographers". In Russia and the Soviet Union , the boundary along the Kuma–Manych Depression was the most commonly used as early as 1906. In 1958,

10008-675: The Early Middle Ages, and soon spread throughout Europe. A struggle for influence between the nobility and the monarchy in England led to the writing of Magna Carta and the establishment of a parliament . The primary source of culture in this period came from the Roman Catholic Church . Through monasteries and cathedral schools , the Church was responsible for education in much of Europe. The Papacy reached

10147-559: The East, especially relating to areas under Byzantine, Ottoman, and Russian influence. Such questions were affected by the positive connotations associated with the term Europe by its users. Such cultural considerations were not applied to the Americas, despite their conquest and settlement by European states. Instead, the concept of "Western civilization" emerged as a way of grouping together Europe and these colonies. The question of defining

10286-707: The Frankish tribes were united under Clovis I . Charlemagne , a Frankish king of the Carolingian dynasty who had conquered most of Western Europe, was anointed " Holy Roman Emperor " by the Pope in 800. This led in 962 to the founding of the Holy Roman Empire , which eventually became centred in the German principalities of central Europe. East Central Europe saw the creation of the first Slavic states and

10425-520: The Great 's efforts to make Russia more European, ignored the whole boundary question with his claim that neither Russia, Scandinavia, northern Germany, nor Poland were fully part of Europe. Since then, many modern analytical geographers like Halford Mackinder have declared that they see little validity in the Ural Mountains as a boundary between continents. The mapmakers continued to differ on

10564-641: The Kumyk Sea and Tarki Sea (derived from the name of the Kumyks and their historical capital Tarki ). The Caspian Sea is at its South Caspian Basin , like the Black Sea , a remnant of the ancient Paratethys Sea . Its seafloor is, therefore, a standard oceanic basalt and not a continental granite body. It is estimated to be about 30 million years old, and became landlocked in the Late Miocene , about 5.5 million years ago, due to tectonic uplift and

10703-600: The Levant and North Africa and making inroads into Asia Minor . In the mid-7th century, following the Muslim conquest of Persia , Islam penetrated into the Caucasus region. Over the next centuries Muslim forces took Cyprus , Malta , Crete , Sicily , and parts of southern Italy . Between 711 and 720, most of the lands of the Visigothic Kingdom of Iberia were brought under Muslim rule—save for small areas in

10842-588: The Mediterranean Sea without the inclusion of any mountain ranges. Cartographer Herman Moll suggested in 1715 Europe was bounded by a series of partly-joined waterways directed towards the Turkish straits, and the Irtysh River draining into the upper part of the Ob River and the Arctic Ocean . In contrast, the present eastern boundary of Europe partially adheres to the Ural and Caucasus Mountains, which

10981-531: The Middle Caspian, where the average depth is 190 m (620 ft). The Southern Caspian is the deepest, with oceanic depths of over 1,000 m (3,300 ft), greatly exceeding the depth of other regional seas, such as the Persian Gulf . The Middle and Southern Caspian account for 33% and 66% of the total water volume, respectively. The northern portion of the Caspian Sea typically freezes in

11120-529: The Protection of the Caspian Sea against Pollution from Land-based Sources in order to ensure better protection for the biodiversity of the Caspian Sea. The rising level of the Caspian Sea between 1995 and 1996 reduced the number of habitats for rare species of aquatic vegetation. This has been attributed to a general lack of seeding material in newly formed coastal lagoons and water bodies. Many rare and endemic plant species of Russia are associated with

11259-801: The Soviet Geographical Society formally recommended that the boundary between the Europe and Asia be drawn in textbooks from Baydaratskaya Bay , on the Kara Sea , along the eastern foot of Ural Mountains, then following the Ural River until the Mugodzhar Hills , and then the Emba River ; and Kuma–Manych Depression, thus placing the Caucasus entirely in Asia and the Urals entirely in Europe. The Flora Europaea adopted

11398-509: The Tanais (the modern Don River) as the boundary. The Roman Empire did not attach a strong identity to the concept of continental divisions. However, following the fall of the Western Roman Empire , the culture that developed in its place , linked to Latin and the Catholic church, began to associate itself with the concept of "Europe". The term "Europe" is first used for a cultural sphere in

11537-496: The adoption of Christianity ( c. 1000 CE) . The powerful West Slavic state of Great Moravia spread its territory all the way south to the Balkans, reaching its largest territorial extent under Svatopluk I and causing a series of armed conflicts with East Francia . Further south, the first South Slavic states emerged in the late 7th and 8th century and adopted Christianity : the First Bulgarian Empire ,

11676-641: The amount of North Atlantic depressions that reach the interior, and they in turn are affected by cycles of the North Atlantic oscillation . Thus levels in the Caspian Sea relate to atmospheric conditions in the North Atlantic, thousands of kilometres to the northwest. The last short-term sea-level cycle started with a sea-level fall of 3 m (10 ft) from 1929 to 1977, followed by a rise of 3 m (10 ft) from 1977 until 1995. Since then smaller oscillations have taken place. A study by

11815-584: The basin. (Comparable evaporite beds underlie the Mediterranean .) Due to the current inflow of fresh water in the north, the Caspian Sea water is almost fresh in its northern portions, getting more brackish toward the south. It is most saline on the Iranian shore, where the catchment basin contributes little flow. Currently, the mean salinity of the Caspian is one third that of Earth's oceans. The Garabogazköl lagoon , which dried up when water flow from

11954-648: The basis of many modern legal systems, funded the construction of the Hagia Sophia and brought the Christian church under state control. From the 7th century onwards, as the Byzantines and neighbouring Sasanid Persians were severely weakened due to the protracted, centuries-lasting and frequent Byzantine–Sasanian wars , the Muslim Arabs began to make inroads into historically Roman territory, taking

12093-563: The boundary between the lower Don and Samara well into the 19th century. The 1745 atlas published by the Russian Academy of Sciences has the boundary follow the Don beyond Kalach as far as Serafimovich before cutting north towards Arkhangelsk , while other 18th- to 19th-century mapmakers such as John Cary followed Strahlenberg's prescription. To the south, the Kuma–Manych Depression was identified c.  1773 by

12232-622: The coasts, but none in the deeper parts of the sea. Ogurja Ada is the largest island. The island is 37 km (23 mi) long, with gazelles roaming freely on it. In the North Caspian, the majority of the islands are small and uninhabited, like the Tyuleniy Archipelago , an Important Bird Area (IBA). The climate of the Caspian Sea is variable, with the cold desert climate (BWk), cold semi-arid climate (BSk), and humid continental climate (Dsa, Dfa) being present in

12371-590: The continent The prevalent definition of Europe as a geographical term has been in use since the mid-19th century. Europe is taken to be bounded by large bodies of water to the north, west and south; Europe's limits to the east and north-east are usually taken to be the Ural Mountains , the Ural River , and the Caspian Sea ; to the south-east, the Caucasus Mountains , the Black Sea , and

12510-573: The continent. Chinese, for example, uses the word Ōuzhōu ( 歐洲 / 欧洲 ), which is an abbreviation of the transliterated name Ōuluóbā zhōu ( 歐羅巴洲 ) ( zhōu means "continent"); a similar Chinese-derived term Ōshū ( 欧州 ) is also sometimes used in Japanese such as in the Japanese name of the European Union, Ōshū Rengō ( 欧州連合 ) , despite the katakana Yōroppa ( ヨーロッパ ) being more commonly used. In some Turkic languages,

12649-424: The continent. Further from the sea, seasonal differences are more noticeable producing more continental climates . European culture consists of a range of national and regional cultures, which form the central roots of the wider Western civilisation , and together commonly reference ancient Greece and ancient Rome , particularly through their Christian successors , as crucial and shared roots. Beginning with

12788-640: The continents as the lands given by Noah to his three sons; Europe was defined as stretching from the Pillars of Hercules at the Strait of Gibraltar , separating it from Northwest Africa , to the Don, separating it from Asia. The convention received by the Middle Ages and surviving into modern usage is that of the Roman era used by Roman-era authors such as Posidonius , Strabo , and Ptolemy , who took

12927-480: The country of Albania ) belongs also the territory called Caspiane, which was named after the Caspian tribe, as was also the sea; but the tribe has now disappeared". Moreover, the Caspian Gates , part of Iran 's Tehran province , may evince such people migrated to the south. The Iranian city of Qazvin shares the root of its name with this common name for the sea. The traditional and medieval Arabic name for

13066-423: The country to burn in their houses. This oil is black and is called nefte . There is also by the town of Baku, another kind of oil which is white and very precious [i.e., petroleum ]." Today, oil and gas platforms abound along the edges of the sea. During the rule of Peter I the Great , Fedor I. Soimonov was a pioneering explorer of the sea. He was a hydrographer who charted and greatly expanded knowledge of

13205-426: The current Caspian Sea and either the Arctic Ocean or North Sea , or the Black Sea . This is supported by the existences of current endemic, oceanic species such as lagoon cockles which was genetically identified to originate in the Caspian and Black Seas regions. The sea's basin (including associated waters such as rivers) has 160 native species and subspecies of fish in more than 60 genera . About 62% of

13344-522: The development of major commercial routes along the coast of the Mediterranean and Baltic Seas . The growing wealth and independence acquired by some coastal cities gave the Maritime Republics a leading role in the European scene. The Middle Ages on the mainland were dominated by the two upper echelons of the social structure: the nobility and the clergy. Feudalism developed in France in

13483-718: The end of the 18th century, gave rise to radical economic, cultural, and social change in Western Europe and eventually the wider world. Both world wars began and were fought to a great extent in Europe, contributing to a decline in Western European dominance in world affairs by the mid-20th century as the Soviet Union and the United States took prominence and competed over dominance in Europe and globally. The resulting Cold War divided Europe along

13622-590: The epic poems of Homer ; in drama with Sophocles and Euripides ; in medicine with Hippocrates and Galen ; and in science with Pythagoras , Euclid , and Archimedes . In the course of the 5th century BCE, several of the Greek city states would ultimately check the Achaemenid Persian advance in Europe through the Greco-Persian Wars , considered a pivotal moment in world history, as

13761-527: The fish stocks, since it targets reproductive females. Reptiles native to the region include the spur-thighed tortoise ( Testudo graeca buxtoni ) and Horsfield's tortoise . The main geologic history locally had two stages. The first is the Miocene , determined by tectonic events that correlate with the closing of the Tethys Sea . The second is the Pleistocene noted for its glaciation cycles and

13900-584: The following two centuries it conquered Greece , Hispania ( Spain and Portugal ), the North African coast, much of the Middle East , Gaul ( France and Belgium ), and Britannia ( England and Wales ). Expanding from their base in central Italy beginning in the third century BCE, the Romans gradually expanded to eventually rule the entire Mediterranean basin and Western Europe by the turn of

14039-656: The full run of the present Volga. During the first stage, the Tethys Sea had evolved into the Sarmatian Lake, that was created from the modern Black Sea and south Caspian, when the collision of the Arabian peninsula with West Asia pushed up the Kopet Dag and Caucasus Mountains , lasting south and west limits to the basin. This orogenic movement was continuous, while the Caspian was regularly disconnected from

14178-598: The height of its power during the High Middle Ages. An East-West Schism in 1054 split the former Roman Empire religiously, with the Eastern Orthodox Church in the Byzantine Empire and the Roman Catholic Church in the former Western Roman Empire. In 1095 Pope Urban II called for a crusade against Muslims occupying Jerusalem and the Holy Land . In Europe itself, the Church organised

14317-418: The highly saline lagoon of Garabogazköl to its east), an area approximately equal to that of Japan , with a volume of 78,200 km (19,000 cu mi). It has a salinity of approximately 1.2% (12 g/L), about a third of the salinity of average seawater . It is bounded by Kazakhstan to the northeast, Russia to the northwest, Azerbaijan to the southwest, Iran to the south, and Turkmenistan to

14456-509: The idea of water boundaries as the only legitimate divides between Europe and Asia. Four years later, in 1725, Philip Johan von Strahlenberg was the first to depart from the classical Don boundary. He drew a new line along the Volga , following the Volga north until the Samara Bend , along Obshchy Syrt (the drainage divide between the Volga and Ural Rivers ), then north and east along

14595-429: The inflow) and the Ural River discharge into the Caspian Sea, but it has no natural outflow other than by evaporation . Thus the Caspian ecosystem is a closed basin , with its own sea level history that is independent of the eustatic level of the world's oceans. The sea level of the Caspian has fallen and risen, often rapidly, many times over the centuries. Some Russian historians, such as Lev Gumilev , claim that

14734-596: The latter waterway to its source in the Ural Mountains . At this point he proposed that mountain ranges could be included as boundaries between continents as alternatives to nearby waterways. Accordingly, he drew the new boundary north along Ural Mountains rather than the nearby and parallel running Ob and Irtysh rivers. This was endorsed by the Russian Empire and introduced the convention that would eventually become commonly accepted. However, this did not come without criticism. Voltaire , writing in 1760 about Peter

14873-440: The main body of the Caspian was blocked in the 1980s but has since been restored, routinely exceeds oceanic salinity by a factor of 10. The Caspian Sea is the largest inland body of water in the world by area and accounts for 40–44% of the total lake waters of the world, and covers an area larger than Germany . The coastlines of the Caspian are shared by Azerbaijan , Iran , Kazakhstan , Russia , and Turkmenistan . The Caspian

15012-577: The millennium. The Roman Republic ended in 27 BCE, when Augustus proclaimed the Roman Empire . The two centuries that followed are known as the pax romana , a period of unprecedented peace, prosperity and political stability in most of Europe. The empire continued to expand under emperors such as Antoninus Pius and Marcus Aurelius , who spent time on the Empire's northern border fighting Germanic , Pictish and Scottish tribes. Christianity

15151-453: The mountains of the west, which are also rich in hydroelectricity sources. Iran has high fossil fuel energy potential. It has reserves of 137.5 billion barrels of crude oil , the fourth largest in the world, producing around four million barrels a day. Iran has an estimated 988.4 trillion cubic feet of natural gas , around 16 percent of world reserves, thus key to current paradigms in global energy security. Russia's economy ranks as

15290-524: The northern portions of the Caspian Sea, while the Mediterranean climate (Csa) and humid subtropical climate (Cfa) are present in the southern portions of the Caspian Sea. The Caspian has characteristics common to both seas and lakes. It is often listed as the world's largest lake, although it is not freshwater : the 1.2% salinity classes it with brackish water bodies. It contains about 3.5 times as much water, by volume, as all five of North America's Great Lakes combined. The Volga River (about 80% of

15429-710: The northwest ( Asturias ) and largely Basque regions in the Pyrenees . This territory, under the Arabic name Al-Andalus , became part of the expanding Umayyad Caliphate . The unsuccessful second siege of Constantinople (717) weakened the Umayyad dynasty and reduced their prestige. The Umayyads were then defeated by the Frankish leader Charles Martel at the Battle of Poitiers in 732, which ended their northward advance. In

15568-483: The originally Persian name Frangistan ("land of the Franks ") is used casually in referring to much of Europe, besides official names such as Avrupa or Evropa . Clickable map of Europe, showing one of the most commonly used continental boundaries Key: blue : states which straddle the border between Europe and Asia ; green : countries not geographically in Europe, but closely associated with

15707-444: The poetry devoted to it. An alternative view is that of Robert Beekes , who has argued in favour of a pre-Indo-European origin for the name, explaining that a derivation from eurus would yield a different toponym than Europa. Beekes has located toponyms related to that of Europa in the territory of ancient Greece, and localities such as that of Europos in ancient Macedonia . There have been attempts to connect Eurṓpē to

15846-480: The realisation of the European Union (EU), which represents today the majority of Europe. The European Union is a supranational political entity that lies between a confederation and a federation and is based on a system of European treaties . The EU originated in Western Europe but has been expanding eastward since the dissolution of the Soviet Union in 1991. A majority of its members have adopted

15985-575: The remote regions of north-western Iberia and the middle Pyrenees the power of the Muslims in the south was scarcely felt. It was here that the foundations of the Christian kingdoms of Asturias , Leon , and Galicia were laid and from where the reconquest of the Iberian Peninsula would start. However, no coordinated attempt would be made to drive the Moors out. The Christian kingdoms were mainly focused on their own internal power struggles. As

16124-466: The rising of the Caspian in the 10th century caused the coastal towns of Khazaria to flood, resulting in the Khazars losing approximately two-thirds of their territory due to flooding. Over the centuries, Caspian Sea levels have changed in synchrony with the estimated discharge of the Volga, which in turn depends on rainfall levels in its vast catchment basin. Precipitation is related to variations in

16263-470: The rock art on Kichikdash Mountain which is assumed to depict either a beaked whale or a dolphin , it may represent the famous beluga sturgeon instead due to its size (430 cm in length). These petroglyphs may suggest potential presences of oceanic faunas in the Caspian Sea presumably until the Quaternary or even the last glacial period or antiquity due to historic marine inflow between

16402-617: The same time, Mengjiang was invaded by the Red Army and its Mongol allies, with Guihua quickly taken. The Emperor of Manchukuo (and the former Emperor of China), Puyi , was captured by the Soviet Red Army and sent to Chita . After the operation on October 9, 1945, the Transbaikal Front was disbanded and reorganized into the Transbaikal-Amur Military District . Europe Europe

16541-693: The sea was Baḥr ('sea') Khazar , but in recent centuries the common and standard name in Arabic language has become بحر قزوين Baḥr Qazvin , the Arabized form of Caspian. In modern Russian language, it is known as Russian : Каспи́йское мо́ре , Kaspiyskoye more . Some Turkic ethnic groups refer to it with the Caspi(an) descriptor; in Kazakh it is called Каспий теңізі , Kaspiy teñizi , Kyrgyz : Каспий деңизи , romanized :  Kaspiy deñizi , Uzbek : Kaspiy dengizi . Others refer to it as

16680-432: The sea. He drew a set of four maps and wrote Pilot of the Caspian Sea , the first lengthy report and modern maps. These were published in 1720 by the Russian Academy of Sciences . Countries in the Caspian region, particularly Azerbaijan , Kazakhstan and Turkmenistan , have high-value natural-resource-based economies, where the oil and gas compose more than 10 percent of their GDP and 40 percent of their exports. All

16819-403: The southeast. The name of the Caspian sea is derived from the ancient Iranic Caspi people. The sea stretches 1,200 km (750 mi) from north to south, with an average width of 320 km (200 mi). Its gross coverage is 386,400 km (149,200 sq mi) and the surface is about 27 m (89 ft) below sea level . Its main freshwater inflow , Europe's longest river,

16958-905: The species and subspecies are endemic , as are 4–6 genera (depending on taxonomic treatment). The lake proper has 115 natives, including 73 endemics (63.5%). Among the more than 50 genera in the lake proper, 3–4 are endemic: Anatirostrum , Caspiomyzon , Chasar (often included in Ponticola ) and Hyrcanogobius . By far the most numerous families in the lake proper are gobies (35 species and subspecies), cyprinids (32) and clupeids (22). Two particularly rich genera are Alosa with 18 endemic species/subspecies and Benthophilus with 16 endemic species. Other examples of endemics are four species of Clupeonella , Gobio volgensis , two Rutilus , three Sabanejewia , Stenodus leucichthys , two Salmo , two Mesogobius and three Neogobius . Most non-endemic natives are either shared with

17097-422: The state of the Golden Horde with headquarters in Crimea, which later adopted Islam as a religion, and ruled over modern-day southern and central Russia for more than three centuries. After the collapse of Mongol dominions, the first Romanian states (principalities) emerged in the 14th century: Moldavia and Walachia . Previously, these territories were under the successive control of Pechenegs and Cumans. From

17236-421: The sturgeon population to the point that environmentalists advocate banning sturgeon fishing completely until the population recovers. The high price of sturgeon caviar – more than 1,500 Azerbaijani manats (US$ 880 as of April 2019 ) per kilo – allows fishermen to afford bribes to ensure the authorities look the other way, making regulations in many locations ineffective. Caviar harvesting further endangers

17375-407: The waterways connecting the Black Sea to the Mediterranean Sea . Islands are generally grouped with the nearest continental landmass, hence Iceland is considered to be part of Europe, while the nearby island of Greenland is usually assigned to North America , although politically belonging to Denmark. Nevertheless, there are some exceptions based on sociopolitical and cultural differences. Cyprus

17514-445: The west and the north, transmitting newly acquired skills in producing copper artifacts. In Western Europe the Neolithic period was characterised not by large agricultural settlements but by field monuments, such as causewayed enclosures , burial mounds and megalithic tombs . The Corded Ware cultural horizon flourished at the transition from the Neolithic to the Chalcolithic . During this period giant megalithic monuments, such as

17653-416: The west continued to decline, Roman traditions and the Roman state remained strong in the predominantly Greek-speaking Eastern Roman Empire , also known as the Byzantine Empire . During most of its existence, the Byzantine Empire was the most powerful economic, cultural, and military force in Europe. Emperor Justinian I presided over Constantinople's first golden age: he established a legal code that forms

17792-399: The western shore of the Aegean Sea . As a name for a part of the known world, it is first used in the 6th century BCE by Anaximander and Hecataeus . Anaximander placed the boundary between Asia and Europe along the Phasis River (the modern Rioni River on the territory of Georgia ) in the Caucasus, a convention still followed by Herodotus in the 5th century BCE. Herodotus mentioned that

17931-402: The western shore. The biomes to both the north and east are characterized by cold, continental deserts. Conversely, the climate to the southwest and south are generally warm with uneven elevation due to a mix of highlands and mountain ranges ; the drastic changes in climate alongside the Caspian have led to a great deal of biodiversity in the region. The Caspian Sea has numerous islands near

18070-419: The widespread use of pottery—began around 7000 BCE in Greece and the Balkans , probably influenced by earlier farming practices in Anatolia and the Near East . It spread from the Balkans along the valleys of the Danube and the Rhine ( Linear Pottery culture ), and along the Mediterranean coast ( Cardial culture ). Between 4500 and 3000 BCE, these central European neolithic cultures developed further to

18209-408: The winter, and in the coldest winters ice forms in the south as well. Over 130 rivers provide inflow to the Caspian, the Volga River being the largest. A second affluent, the Ural River , flows in from the north, and the Kura River from the west. In the past, the Amu Darya (Oxus) of Central Asia in the east often changed course to empty into the Caspian through a now-desiccated riverbed called

18348-411: The world had been divided by unknown persons into three parts—Europe, Asia, and Libya (Africa)—with the Nile and the Phasis forming their boundaries—though he also states that some considered the River Don , rather than the Phasis, as the boundary between Europe and Asia. Europe's eastern frontier was defined in the 1st century by geographer Strabo at the River Don. The Book of Jubilees described

18487-410: The world. The place name Evros was first used by the ancient Greeks to refer to their northernmost province, which bears the same name today. The principal river there – Evros (today's Maritsa ) – flows through the fertile valleys of Thrace , which itself was also called Europe, before the term meant the continent. In classical Greek mythology , Europa ( Ancient Greek : Εὐρώπη , Eurṓpē )

18626-452: The world. Between the 16th and 20th centuries, European powers colonised at various times the Americas , almost all of Africa and Oceania , and the majority of Asia. The Age of Enlightenment , the French Revolution , and the Napoleonic Wars shaped the continent culturally, politically, and economically from the end of the 17th century until the first half of the 19th century. The Industrial Revolution , which began in Great Britain at

18765-422: Was legalised by Constantine I in 313 CE after three centuries of imperial persecution . Constantine also permanently moved the capital of the empire from Rome to the city of Byzantium (modern-day Istanbul ) which was renamed Constantinople in his honour in 330 CE. Christianity became the sole official religion of the empire in 380 CE, and in 391–392 CE the emperor Theodosius outlawed pagan religions. This

18904-399: Was a Phoenician princess. One view is that her name derives from the Ancient Greek elements εὐρύς ( eurús ) 'wide, broad', and ὤψ ( ōps , gen. ὠπός , ōpós ) 'eye, face, countenance', hence their composite Eurṓpē would mean 'wide-gazing' or 'broad of aspect'. Broad has been an epithet of Earth herself in the reconstructed Proto-Indo-European religion and

19043-402: Was a mud volcano which spewed both mud and flammable gas. It is calculated that during the 21st century, the water level of the Caspian Sea will decrease by 9–18 m (30–60 ft) due to the acceleration of evaporation due to global warming and the process of desertification , causing an ecocide . On October 23, 2021, Kazakhstan President Kassym-Jomart Tokayev signed the Protocol for

19182-428: Was eventually absorbed into Russia several centuries later. The period between the year 1000 and 1250 is known as the High Middle Ages , followed by the Late Middle Ages until c. 1500. During the High Middle Ages the population of Europe experienced significant growth, culminating in the Renaissance of the 12th century . Economic growth, together with the lack of safety on the mainland trading routes, made possible

19321-495: Was the first crisis that would strike Europe in the late Middle Ages. The period between 1348 and 1420 witnessed the heaviest loss. The population of France was reduced by half. Medieval Britain was afflicted by 95 famines, and France suffered the effects of 75 or more in the same period. Europe was devastated in the mid-14th century by the Black Death , one of the most deadly pandemics in human history which killed an estimated 25 million people in Europe alone—a third of

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