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The Limes Arabicus was a desert frontier of the Roman Empire , running north from its start in the province of Arabia Petraea . It ran northeast from the Gulf of Aqaba for about 1,500 kilometers (930 mi) at its greatest extent, reaching northern Syria and forming part of the wider Roman limes system. It had several forts and watchtowers .

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83-743: The reason of this defensive limes was to protect the Roman province of Arabia from attacks of the nomadic tribes of the Arabian desert. The main purpose of the Limes Arabicus is disputed; it may have been used both to defend from Arab raids and to protect the commercial trade routes from robbers. Next to the Limes Arabicus Emperor Trajan built a major road, the Via Nova Traiana , from Bosra to Aila on

166-526: A military intervention in Yemen in March 2015. The civil war and subsequent military intervention and blockade caused a famine in Yemen . Foederati Foederati ( / ˌ f ɛ d ə ˈ r eɪ t aɪ / FED -ə- RAY -ty ; singular: foederatus / ˌ f ɛ d ə ˈ r eɪ t ə s / FED -ə- RAY -təs ) were peoples and cities bound by a treaty , known as foedus , with Rome. During

249-515: A large force of Huns to find that power in the west was now in the hands of Valentinian III and his mother, Galla Placidia . After fighting against Aspar's army, Aetius managed a compromise with Galla Placidia. He sent back his Hunnic army and in return obtained the rank of comes et magister militum per Gallias , the commander-in-chief of the Roman Army in Gaul. Around 418 (or 426), Attaces ,

332-577: A legionary camp have been identified. The term may have referred to a series of fortifications and roads in the northern Negev , running from Rafah on the Mediterranean to the Dead Sea , or to the region under the military control of the dux Palaestinae , the military governor of the Palaestinian provinces. There were castra every 100 kilometres (62 mi) with the purpose to create

415-489: A line of protection and control: in the south there was the legionary fortress at Adrou (Udruh), just east of Petra . It probably housed the Legio VI Ferrata , which was moved from Lajjun (in modern-day Israel) by Diocletian. It is similar to Betthorus (al-Lajjun in modern-day Jordan) in size (4.9 hectares (12 acres)) and design, and is in the plain of Moab, south of Wadi Mujib . Alistair Killick, who excavated

498-734: A massive tribal migration of Vandals and Alans . In 376, some of the Goths asked Emperor Valens to allow them to settle on the southern bank of the Danube River and were accepted into the empire as foederati . The same Goths then revolted in retaliation for abuses and defeated the Romans in the Battle of Adrianople in 378. The critical loss of military manpower thereafter forced the Empire to rely much more on foederati levies. The loyalty of

581-619: A number of castella , watchtowers, and fortresses along the fringe of the desert just east of the Via Nova. This line of defence extended from south of Damascus to Wadi al-Hasa . The region from Wadi Mujib to Wadi al-Hasa contained four castella and a legionary camp. The frontier south of Wadi al-Hasa, which extended to the Red Sea at Aila (Aqaba), may have been called the Limes Palaestina . In this region, ten castella and

664-782: A small number of urban trading settlements, such as Mecca and Medina , located in the Hejaz in the west of the peninsula. Archaeology has revealed the existence of many civilizations in pre-Islamic Arabia (such as the Thamud ), especially in South Arabia . South Arabian civilizations include the Himyarite Kingdom , the Kingdom of Awsan , the Kingdom of Ma'īn , and the Sabaean Kingdom (usually considered to be

747-739: Is Saudi Arabia. In the classical era, the Sinai Peninsula was also considered a part of Arabia. The Arabian Peninsula formed as a result of the rifting of the Red Sea between 56 and 23 million years ago, and is bordered by the Red Sea to the west and southwest, the Persian Gulf and the Gulf of Oman to the northeast, the Levant and Mesopotamia to the north and the Arabian Sea and

830-552: Is a large volcanic field that extends from northwestern Arabia into Jordan and southern Syria . The Peninsula's constituent countries are (clockwise from north to south) Kuwait, Qatar, and the United Arab Emirates (UAE) on the east, Oman on the southeast, Yemen on the south, and Saudi Arabia at the center. The island country of Bahrain lies just off the east coast of the Peninsula. Due to Yemen's jurisdiction over

913-614: Is known for its rich oil, i.e. petroleum production due to its geographical location. According to NASA's Gravity Recovery and Climate Experiment (GRACE) satellite data (2003–2013) analysed in a University of California, Irvine (UCI) -led study published in Water Resources Research on 16 June 2015, the most over-stressed aquifer system in the world is the Arabian Aquifer System , upon which more than 60 million people depend for water. Twenty-one of

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996-766: Is located in the continent of Asia and is bounded by (clockwise) the Persian Gulf on the northeast, the Strait of Hormuz and the Gulf of Oman on the east, the Arabian Sea on the southeast, the Gulf of Aden , and the Guardafui Channel on the south, and the Bab-el-Mandeb strait on the southwest and the Red Sea, which is located on the southwest and west. The northern portion of the peninsula merges with

1079-669: Is the location of the Kaaba , Islam's holiest site, and the Masjid al-Nabawi (the Prophet's Mosque) in Medina is the location of Muhammad 's grave; as a result, from the 7th century, Mecca and Medina became the pilgrimage destinations for large numbers of Muslims from across the Islamic world . Despite its spiritual importance, in political terms Arabia soon became a peripheral region of

1162-407: Is unsuited to agriculture, making irrigation and land reclamation projects essential. The narrow coastal plain and isolated oases, amounting to less than 1% of the land area, are used to cultivate grains, coffee and tropical fruits . Goat, sheep, and camel husbandry is widespread elsewhere throughout the rest of the Peninsula. Some areas have a summer humid tropical monsoon climate , in particular

1245-739: The Al Saud , began in Najd in central Arabia in 1744, when Muhammad bin Saud , founder of the dynasty, joined forces with the religious leader Muhammad ibn Abd al-Wahhab , founder of the Wahhabi movement , a strict puritanical form of Sunni Islam. The Emirate of Diriyah established in the area around Riyadh rapidly expanded and briefly controlled most of the present-day territory of Saudi Arabia, sacking Karbala in 1802, and capturing Mecca in 1803. The Damascus Protocol of 1914 provides an illustration of

1328-788: The Arabs ' ), or Arabia , is a peninsula in West Asia , situated northeast of Africa on the Arabian Plate . At 3,237,500 km (1,250,000 sq mi), comparable in size to India , the Arabian Peninsula is the largest peninsula in the world. Geographically, the Arabian Peninsula includes Bahrain , Kuwait , Oman , Qatar , Saudi Arabia , the United Arab Emirates (UAE) and Yemen , as well as southern Iraq and Jordan . The largest of these

1411-455: The Dhofar and Al Mahrah areas of Oman and Yemen. These areas allow for large scale coconut plantations. Much of Yemen has a tropical monsoon rain influenced mountain climate. The plains usually have either a tropical or subtropical arid desert climate or arid steppe climate . The sea surrounding the Arabian Peninsula is generally tropical sea with a very rich tropical sea life and some of

1494-597: The First Islamic State - a single Arab Muslim religious polity in the Arabian Peninsula. Under the subsequent Rashidun and Umayyad Caliphates , rapid expansion of Arab power well beyond the Arabian peninsula formed a vast Muslim Arab Empire with an area of influence that stretched from the northwest Indian subcontinent , across Central Asia , the Middle East , North Africa , southern Italy , and

1577-733: The Ghassanids . After the Muslim Arab conquest , the Limes Arabicus was largely left to disappear, though some fortifications were used and reinforced in the following centuries. The limes was overrun in 611 during the war with the Sasanians . Arabian Peninsula The Arabian Peninsula ( / ə ˈ r eɪ b i ə n p ə n ɪ n sj u l ə / ; Arabic : شِبْهُ الْجَزِيرَة الْعَرَبِيَّة , shibhu l-jazīra l-ʿarabiyya , "Arabian Peninsula" or جَزِيرَةُ الْعَرَب , jazīratu l-ʿarab , lit.   ' Island of

1660-531: The Hejaz ( Tihamah for the western coast), as described by Ibn al-Faqih . In antiquity, the term "Arabia" encompassed a larger area than the current term "Arabian Peninsula" and included the Arabian desert and large parts of the Syrian-Arabian desert . During the Hellenistic period , the area was known as Arabia ( Ancient Greek : Ἀραβία ). The Romans named three regions "Arabia": One of

1743-721: The Iberian Peninsula , to the Pyrenees . With Muhammad's death in 632, disagreement broke out over who would succeed him as leader of the Muslim community. Umar ibn al-Khattab , a prominent companion of Muhammad, nominated Abu Bakr , who was Muhammad's intimate friend and collaborator. Others added their support and Abu Bakr was made the first caliph . This choice was disputed by some of Muhammad's companions, who held that Ali ibn Abi Talib , his cousin and son-in-law, had been designated his successor. Abu Bakr's immediate task

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1826-581: The Indian Ocean to the southeast. The peninsula plays a critical geopolitical role in the Arab world and globally due to its vast reserves of oil and natural gas . Before the modern era, the region was divided into primarily four distinct regions: the Central Plateau ( Najd and Al-Yamama ), South Arabia ( Yemen , Hadhramaut and Oman ), Al-Bahrain (Eastern Arabia or Al-Hassa ), and

1909-497: The Islamic world , in which the most important medieval Islamic states were based at various times in such far away cities as Damascus , Baghdad , and Cairo . However, from the 10th century (and, in fact, until the 20th century) the Hashemite Sharifs of Mecca maintained a state in the most developed part of the region, the Hejaz . Their domain originally comprised only the holy cities of Mecca and Medina but in

1992-637: The Nefud Desert dates to approximately 90,000 years ago and is the oldest human fossil discovered outside of Africa and the Levant. This indicates human migrations from Africa to Arabia occurred around this time. The Arabian Peninsula may have been the homeland of a ' Basal Eurasian ' population, which diverged from other Eurasians soon after the Out-of-Africa migration, and subsequently became isolated, until it started to mix with other populations in

2075-759: The Rashidun or "rightly guided" Caliphate . Under the Rashidun Caliphs, and, from 661, their Umayyad successors , the Arabs rapidly expanded the territory under Muslim control outside of Arabia. In a matter of decades Muslim armies decisively defeated the Byzantine army and destroyed the Persian Empire , conquering huge swathes of territory from the Iberian peninsula to India. The political focus of

2158-474: The Red Sea , a distance of 430 km (270 mi). Built between 111 and 114 AD, its primary purpose may have been to provide efficient transportation for troop movements and government officials as well as facilitating and protecting trade caravans emerging from the Arabian Peninsula. It was completed under Emperor Hadrian . During the Severan dynasty (AD 193–235), the Romans strengthened their defences on

2241-510: The Rhine and had major armies 100 miles (160 km) south and west of the Rhine. Frankish settlers were established in the areas north and east of the Romans and helped the Roman defence by providing intelligence and a buffer state. The breach of the Rhine borders in the frozen winter of 406 and 407 ended the Roman presence along the Rhine when both the Romans and the allied Franks were overrun by

2324-530: The Roman Republic , the term identified the socii , but during the Roman Empire , it was used to describe foreign states, client kingdoms or barbarian tribes to which the empire provided benefits in exchange for military assistance. The term was also used, especially under the empire, for groups of barbarian mercenaries of various sizes who were typically allowed to settle within the empire. In

2407-514: The Social War between the Romans, with a few close allies, and the disaffected socii . A law of 90 BC ( Lex Julia ) offered Roman citizenship to the federate states that accepted the terms. Not all cities were prepared to be absorbed into the Roman res publica ( Heraclea and Naples ). Other foederati lay outside Roman Italy such as Gades (Cádiz) and Massilia (Marseilles). The term foederati had its usage and meaning extended by

2490-742: The Socotra Archipelago , the Peninsula's geopolitical outline faces the Guardafui Channel and the Somali Sea to the south. The six countries of Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, and the UAE form the Gulf Cooperation Council (GCC). The Kingdom of Saudi Arabia covers the greater part of the Peninsula. The majority of the population of the Peninsula lives in Saudi Arabia and Yemen. The Peninsula contains

2573-466: The Syrian Desert with no clear borderline, although the northern boundary of the peninsula is generally considered to be the northern borders of Saudi Arabia and Kuwait, also southern regions of Iraq and Jordan. The most prominent feature of the peninsula is desert , but in the southwest, there are mountain ranges, which receive greater rainfall than the rest of the peninsula. Harrat ash Shaam

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2656-513: The Tuwayr , Shammar and Dhofar generally do not exceed 1,000 m (3,300 ft) in height. Not all mountains in the peninsula are visibly within ranges. Jebel Hafeet in particular, on the border of the UAE and Oman, measuring between 1,100 and 1,300 m (3,600 and 4,300 ft), is not within the Hajar range, but may be considered an outlier of that range. Most of the Arabian Peninsula

2739-472: The United States –led 2003 invasion of Iraq . Despite its historically sparse population, political Arabia stands out for its rapid population growth, driven by both significant inflows of migrant labor and persistently high birth rates. The population is characterized by its relative youth and a heavily skewed gender ratio favoring males. In several states, the number of South Asians surpasses that of

2822-464: The nomes of Ptolemaic Egypt was named Arabia . Arabians used a north–south division of Arabia: ash-Sham vs. al-Yaman , or Arabia Deserta vs. Arabia Felix . Arabia Felix had originally been used for the whole peninsula, and at other times only for the southern region. Because its use became limited to the south, the whole peninsula was simply called Arabia. Arabia Deserta was the entire desert region extending north from Arabia Felix to Palmyra and

2905-655: The 13th century it was extended to include the rest of the Hejaz . Although, the Sharifs exercised at most times independent authority in the Hejaz , they were usually subject to the suzerainty of one of the major Islamic empires of the time. In the Middle Ages, these included the Abbasids of Baghdad , and the Fatimids , Ayyubids , and Mamluks of Egypt . The provincial Ottoman Army for Arabia (Arabistan Ordusu)

2988-457: The 5th centuries, the foederati were billeted on local landowners, which became identical to being allowed to settle on Roman territory. Large local landowners living in distant border provinces (see " marches ") on extensive villas, which were largely self-sufficient, found their loyalties to the central authority, which were already conflicted by other developments, further compromised in such situations. As loyalties wavered and became more local,

3071-425: The Arabian frontier. They constructed several castra (forts) at the northwest end of the Wadi Sirhan , and improved the roads. One important fort was Qasr Azraq , another was at Humeima (Latin: Auara), from the late 2nd century AD, on the Via Traiana Nova from Petra to Aila , where up to 500 auxiliary troops could have resided. It was probably abandoned in the fourth century. Emperor Diocletian partitioned

3154-460: The Byzantine army was made up of Lombards , Gepids and Bulgars . In the east, foederati were formed out of several Arab tribes to protect against the Persian-allied Arab Lakhmids and the tribes of the Arabian peninsula. Among these foederati were the Tanukhids , Banu Judham , Banu Amela and the Ghassanids . The term continues to be attested in the Eastern Roman armies until around the reign of Maurice . Although no longer as important as in

3237-466: The Euphrates, including all the area between Pelusium on the Nile and Babylon. This area was also called Arabia and not sharply distinguished from the peninsula. The Arabs and the Ottoman Empire considered the west of the Arabian Peninsula region where the Arabs lived 'the land of the Arabs' – Bilad al-'Arab ( Arabia ), and its major divisions were the bilad al-Sham ( Levant ), bilad al-Yaman ( Yemen ), and Bilad al-'Iraq ( Iraq ). The Ottomans used

3320-401: The Gothic chieftain Sarus and the Hunnic ruler Uldin . In 423, the general Flavius Aetius entered the service of the usurper Joannes as cura palatii and was sent by Joannes to ask the Huns for assistance. Joannes, a high-ranking officer, lacked a strong army and fortified himself in his capital, Ravenna , where he was killed in the summer of 425. Soon, Aetius returned to Italy with

3403-445: The Gulf Cooperation Council's mediation. He eventually handed power to Vice President Hadi, who was sworn in as President of Yemen on 25 February 2012. Hadi launched a national dialogue to address new constitutional, political and social issues. The Houthi movement , dissatisfied with the outcomes of the national dialogue, launched an offensive and stormed the Yemeni capital Sanaa on 21 September 2014. In response, Saudi Arabia launched

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3486-427: The Hun was defeated only with help of the foederati , who included the Visigoths, Franks, Alans and Saxons. The foederati would deliver the fatal blow to the dying nominal Western Roman Empire in 476, when their commander , Odoacer , deposed the usurping Western Emperor Romulus Augustulus and sent the imperial insignia back to Constantinople with the Senate's request for the 81-year-old west–east subdivision of

3569-416: The Middle East since around 25,000 years ago. These different Middle Eastern populations would later spread Basal Eurasian ancestry via the Neolithic Revolution to all of Western Eurasia. There is evidence that human habitation in the Arabian Peninsula dates back to about 106,000 to 130,000 years ago. The harsh climate historically prevented much settlement in the pre-Islamic Arabian Peninsula, apart from

3652-459: The Muslim world then shifted to the newly conquered territories. Nevertheless, Mecca and Medina remained the spiritually most important places in the Muslim world . The Qur'an requires every able-bodied Muslim who can afford it, as one of the five pillars of Islam , to make a pilgrimage, or Hajj , to Mecca during the Islamic month of Dhu al-Hijjah at least once in his or her lifetime. The Masjid al-Haram (the Grand Mosque) in Mecca

3735-399: The Romans' practice of subsidising entire barbarian tribes such as the Franks , Vandals , Alans , Huns and the Visigoths , the last being the best known, in exchange for providing warriors to fight in the Roman armies. Alaric I began his career leading a band of Gothic foederati . At first, the Roman subsidy took the form of money or food, but as tax revenues dwindled in the 4th and

3818-403: The Saudi Arabian border and rallied popular support. The royalist side received support from Saudi Arabia, while the republicans were supported by Egypt and the Soviet Union. Both foreign irregular and conventional forces were also involved. The Egyptian President , Gamal Abdel Nasser , supported the republicans with as many as 70,000 troops. Despite several military moves and peace conferences,

3901-410: The Visigoths were so much more numerous. After Gunderic died early in 428, the Vandals elected his half-brother, Genseric , as the successor, and Genseric left Iberia to the Visigoths to invade Roman Africa . By the 5th century, lacking the wealth needed to pay and train a professional army, the Western Roman Empire's military strength was almost entirely reliant on foederati units. In 451, Attila

3984-461: The biblical land of Sheba ). From 106 AD to 630 AD northwestern Arabia was under the control of the Roman Empire , which renamed it Arabia Petraea . Central Arabia was the location of the Kingdom of Kinda in the 4th, 5th and early 6th centuries. Eastern Arabia was home to the Dilmun civilization . The earliest known events in Arabian history are migrations from the peninsula into neighbouring areas. The Arabian Peninsula has long been accepted as

4067-409: The biggest ongoing threat believed to be coastal construction activity altering the marine environment. The fertile soils of Yemen have encouraged settlement of almost all of the land from sea level up to the mountains at 10,000 feet (3,000 m). In the higher elevations, elaborate terraces have been constructed to facilitate grain, fruit, coffee, ginger and khat cultivation. The Arabian peninsula

4150-423: The collapse of the Hunnic Empire, the Ostrogoths entered relations with the Eastern Roman Empire and were settled in Pannonia to become foederati of the Byzantines. During the latter half of the 5th century, the Ostrogoths' relationship with the Byzantines started to shift from friendship to enmity, just like the Visigoths before them, and Ostrogoth King, Theoderic the Great frequently led armies that ravaged

4233-441: The early Roman Republic , foederati were tribes that were bound by a treaty ( foedus / ˈ f iː d ə s / ) to come to the defence of Rome but were neither Roman colonies nor beneficiaries of Roman citizenship ( civitas ). Members of the Latini tribe were considered blood allies, but the rest were federates or socii . The friction between the treaty obligations without the corresponding benefits of Romanity led to

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4316-435: The east) constituting only a quarter of people aged between 20 and 40. The eleven most populous cities on the Arabian Peninsula are: The rocks exposed vary systematically across Arabia, with the oldest rocks exposed in the Arabian-Nubian Shield near the Red Sea, overlain by earlier sediments that become younger towards the Persian Gulf. Perhaps the best-preserved ophiolite on Earth, the Semail Ophiolite , lies exposed in

4399-421: The eastern Al-Qassim Province , which would indicate that many prehistoric sites, located along a network of rivers, had once existed in the area. Acheulean tools found in Saffaqah, Riyadh Region reveal that hominins lived in the Arabian Peninsula around 188,000 years ago. Human habitation in Arabia may have occurred as early as 130,000 years ago. A fossilized Homo sapiens finger bone found at Al Wusta in

4482-444: The eastern, southern and northwestern borders of the peninsula. Broadly, the ranges can be grouped as follows: From the Hejaz southwards, the mountains show a steady increase in altitude westward as they get nearer to Yemen, and the highest peaks and ranges are all located in Yemen. The highest, Jabal An-Nabi Shu'ayb or Jabal Hadhur of the Haraz subrange of the Sarawat range, is 3,666 metres (12,028 ft) high. By comparison,

4565-412: The empire then began to devolve into smaller territories and closer personal fealties . The first Roman treaty with the Goths was after the defeat of Ariaric in 332, but whether or not it was a foedus is unclear. The Franks became foederati in 358, when Emperor Julian let them keep the areas in northern Roman Gaul , which had been depopulated during the preceding century. Roman soldiers defended

4648-473: The empire to be abolished. Even before the eventual fall of the Western Roman Empire in 476, several kingdoms with the status of foederati had managed to gain a full independence that was formally recognised by the Western Roman Empire , such as the Vandals in the peace treaty concluded in 442 between their king, Genseric , and Valentinian III and the Visigoths through the peace treaty concluded in 475 between their king Euric and Julius Nepos . After

4731-411: The king of the Alans , fell in battle against the Visigoths , who were still allies of Rome in Hispania, and most of the surviving Alans appealed to Gunderic . Their request was accepted by Gunderic, who thus became King of the Vandals and Alans. Late in Gunderic's reign, the Vandals themselves began to clash more and more with the Visigothic foederati and often got the worse of these battles because

4814-402: The modern era, the term bilad al-Yaman came to refer specifically to the southwestern parts of the peninsula. Arab geographers started to refer to the whole peninsula as 'jazirat al-Arab', or the peninsula of the Arabs. The railway was started in 1900 at the behest of the Ottoman Sultan Abdul Hamid II and was built largely by the Turks , with German advice and support. A public subscription

4897-437: The modern state of Saudi Arabia. The Saudis absorbed the Emirate of Asir , with their expansion only ending in 1934 after a war with Yemen . Two Saudi states were formed and controlled much of Arabia before Ibn Saud was even born. Ibn Saud, however, established the third Saudi state. The second major development has been the discovery of vast reserves of oil in the 1930s. Its production brought great wealth to all countries of

4980-472: The mountains of the UAE and northern Oman. The peninsula consists of: Arabia has few lakes or permanent rivers. Most areas are drained by ephemeral watercourses called wadis , which are dry except during the rainy season. Plentiful ancient aquifers exist beneath much of the peninsula, however, and where this water surfaces, oases form (e.g. Al-Hasa and Qatif , two of the world's largest oases ) and permit agriculture, especially palm trees , which allowed

5063-436: The native population. The four smallest states (by area), with coastlines entirely bordering the Persian Gulf, showcase the world's most extreme population growth, nearly tripling every two decades. In 2014, the estimated population of the Arabian Peninsula was 77,983,936 (including expatriates). The Arabian Peninsula is known for having one of the most uneven adult sex ratios in the world, with females in some regions (especially

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5146-412: The old province of Arabia by transferring the southern region to the province of Palaestina . Later in the 4th century, Palaestina was made into three provinces, and the southern one was eventually called Palaestina Tertia . Each province was administered by a praeses with civil authority and a dux with military authority. Diocletian engaged in a major military expansion in the region, building

5229-404: The original Urheimat of the Semitic languages by most scholars. The seventh century saw the rise of Islam as the peninsula's dominant religion. The Islamic prophet Muhammad was born in Mecca in about 570 and first began preaching in the city in 610, but migrated to Medina in 622. From there he and his companions united the tribes of Arabia under the banner of Islam and created

5312-399: The peninsula to produce more dates than any other region in the world. In general, the climate is extremely hot and arid , although there are exceptions. Higher elevations are made temperate by their altitude, and the Arabian Sea coastline can receive cool, humid breezes in summer due to cold upwelling offshore. The peninsula has no thick forests. Desert-adapted wildlife is present throughout

5395-498: The provinces of the Eastern Roman Empire and eventually threatened Constantinople itself. Eventually, Theoderic and Emperor Zeno worked out an arrangement beneficial to both sides in which Theoderic invaded Odoacer's kingdom and eventually conquered Italy. Foederati (transliterated in Greek as Φοιδερᾶτοι or translated as Σύμμαχοι) were still present in the East Roman army during the 6th century. Belisarius ' and Narses ' victorious armies included many foederati , but by this time

5478-435: The region, with the exception of Yemen. The North Yemen Civil War was fought in North Yemen between royalists of the Mutawakkilite Kingdom of Yemen and factions of the Yemen Arab Republic from 1962 to 1970. The war began with a coup d'état carried out by the republican leader, Abdullah as-Sallal , which dethroned the newly crowned Muhammad al-Badr and declared Yemen a republic under his presidency. The Imam escaped to

5561-419: The region. A plateau more than 2,500 feet (760 m) high extends across much of the Arabian Peninsula. The plateau slopes eastwards from the massive, rifted escarpment along the coast of the Red Sea, to the shallow waters of the Persian Gulf. The interior is characterized by cuestas and valleys, drained by a system of wadis . A crescent of sand and gravel deserts lies to the east. There are mountains at

5644-558: The regional relationships. Arabs living in one of the existing districts of the Arabian peninsula, the Emirate of Hejaz , asked for a British guarantee of independence. Their proposal included all Arab lands south of a line roughly corresponding to the northern frontiers of present-day Syria and Iraq. They envisioned a new Arab state, or confederation of states, adjoining the southern Arabian Peninsula. It would have comprised Cilicia – İskenderun and Mersin , Iraq with Kuwait, Syria, Mount Lebanon Mutasarrifate , Jordan, and Palestine . In

5727-499: The ruling Ottoman Empire and creating a single unified Arab state spanning from Aleppo in Syria to Aden in Yemen. During World War I, the Sharif Hussein entered into an alliance with the United Kingdom and France against the Ottomans in June 1916. These events were followed by the foundation of Saudi Arabia under King Abdulaziz Ibn Saud . In 1902, Ibn Saud had captured Riyadh . Continuing his conquests, Abdulaziz subdued Al-Hasa, Jabal Shammar , Hejaz between 1913 and 1926 founded

5810-421: The site, dates it to the early 2nd century, but Parker suggests a date in the late 3rd or early 4th century. A legionary camp may have also existed at Aila (modern Aqaba ), which has been excavated by Parker since 1994. The city was located at the north end of the Gulf of Aqaba where it was a centre of sea traffic. Several land routes also intersected here. Legio X Fretensis , originally stationed in Jerusalem ,

5893-467: The term Arabistan in a broad sense for the region starting from Cilicia , where the Euphrates river makes its descent into Syria, through Palestine , and on through the remainder of the Sinai and Arabian peninsulas. The provinces of Arabia were: Al Tih, the Sinai peninsula, Hejaz, Asir, Yemen, Hadramaut, Mahra and Shilu, Oman, Hasa, Bahrain, Dahna, Nufud, the Hammad, which included the deserts of Syria, Mesopotamia and Babylonia. The Arabian Peninsula

5976-458: The term in Greek refers to units that may once have included large numbers of non-Romans but have become professional, regular units in the Roman army that included Romans. These armies also included non-Roman elements such as Hunnic archers and Herule mercenaries who were more akin to traditional foederati but who were now referred to as symmachoi. At the Battle of Taginae , a large contingent of

6059-549: The thirty seven largest aquifers "have exceeded sustainability tipping points and are being depleted" and thirteen of them are "considered significantly distressed". Stone tools from the Middle Paleolithic age along with fossils of other animals discovered at Ti's al Ghadah, in northwestern Saudi Arabia, might imply that hominins migrated through a "Green Arabia" between 300,000 and 500,000 years ago. 200,000-year-old stone tools were discovered at Shuaib Al-Adgham in

6142-515: The tribes and their chieftains was never reliable, and in 395, the Visigoths, now under the lead of Alaric , once again rose in rebellion. The father of one of the most powerful late Roman generals, Stilicho , rose from the ranks of the foederati . At the Battle of Faesulae in 406 AD, Stilicho defeated the Gothic king Radagaisus and his combined Vandal and Gothic army only with the support of

6225-511: The war in Yemen as analogous to the United States ' role in the Vietnam War . In 1990, Iraq invaded Kuwait. The invasion of Kuwait by Iraqi forces led to the 1990–91 Gulf War . Egypt, Qatar, Syria, and Saudi Arabia joined a multinational coalition that opposed Iraq. Displays of support for Iraq by Jordan and Palestine resulted in strained relations between many of the Arab states. After

6308-484: The war sank into a stalemate. Egypt's commitment to the war is considered to have been detrimental to its performance in the Six-Day War of June 1967, after which Nasser found it increasingly difficult to maintain his army's involvement and began to pull his forces out of Yemen. By 1970, King Faisal of Saudi Arabia recognized the republic and a truce was signed. Egyptian military historians refer to Egypt's role in

6391-643: The war, a so-called "Damascus Declaration" formalized an alliance for future joint Arab defensive actions between Egypt, Syria, and the GCC member states. The Arab Spring reached Yemen in January 2011. People of Yemen took to the street demonstrating against three decades of rule by President Ali Abdullah Saleh . The demonstration led to cracks in the ruling General People's Congress (GPC) and Saleh's Sanhani clan. Saleh used tactics of concession and violence to save his presidency. After numerous attempts, Saleh accepted

6474-517: The world's largest reserves of oil. Saudi Arabia and the UAE are economically the wealthiest in the region. Qatar, the only peninsular country in the Persian Gulf on the larger peninsula, is home to the Arabic-language television station Al Jazeera and its English-language subsidiary Al Jazeera English . Kuwait, on the border with Iraq, is an important country strategically, forming one of the main staging grounds for coalition forces mounting

6557-578: The world's largest, undestroyed and most pristine coral reefs. In addition, the organisms living in symbiosis with the Red Sea coral, the protozoa and zooxanthellae , have a unique hot weather adaptation to sudden rise (and fall) in sea water temperature. Hence, these coral reefs are not affected by coral bleaching caused by rise in temperature as elsewhere in the indopacific coral sea. The reefs are also unaffected by mass tourism and diving or other large scale human interference. The Persian gulf has suffered significant loss and degradation of coral reefs with

6640-581: Was headquartered in Syria , which included Palestine, the Transjordan region in addition to Lebanon ( Mount Lebanon was, however, a semi-autonomous mutasarrifate ). It was put in charge of Syria, Cilicia, Iraq, and the remainder of the Arabian Peninsula. The Ottomans never had any control over central Arabia, also known as the Najd region. The emergence of what was to become the Saudi royal family, known as

6723-675: Was opened throughout the Islamic world to fund the construction. The railway was to be a waqf , an inalienable religious endowment or charitable trust. The major developments of the early 20th century were the Arab Revolt during World War I and the subsequent collapse and partitioning of the Ottoman Empire . The Arab Revolt (1916–1918) was initiated by the Sherif Hussein ibn Ali with the aim of securing independence from

6806-455: Was to avenge a recent defeat by Byzantine (or Eastern Roman Empire ) forces, although he first had to put down a rebellion by Arab tribes in an episode known as the Ridda wars , or "Wars of Apostasy". On his death in 634, he was succeeded by Umar as caliph, followed by Uthman ibn al-Affan and Ali ibn Abi Talib . The period of these first four caliphs is known as al-khulafā' ar-rāshidūn :

6889-451: Was transferred here to the terminus of the Via Nova. So far, a stone curtain wall and projecting tower have been identified, but it is uncertain whether they were part of the city wall of Aila or the fortress. The evidence suggests the fort was constructed in the late 4th or early 5th century. Troops were progressively withdrawn from the Limes Arabicus in the first half of the 6th century and replaced with native Arab foederati , chiefly

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