The Oskil or Oskol ( Ukrainian : Оскiл ; Russian : Оскол ) is a south-flowing river in Russia and Ukraine . It arises roughly between Kursk and Voronezh and flows south to join the Siverskyi Donets which flows southeast to join the Don . It is 472 kilometres (293 mi) long, with a drainage basin of 14,800 square kilometres (5,700 sq mi).
15-939: The river has its sources on the Central Russian Upland , and flows through Kursk and Belgorod Oblasts in Russia, and through the eastern part of Kharkiv Oblast in Ukraine, where it joins the Seversky Donets river. An artificial lake, the Oskil Reservoir , was created in 1958 to help with flood protection and as a source of electricity. There are several towns along the Oskil: Stary Oskol , Novy Oskol and Valuyki in Russia, and Kupiansk , Kupiansk-Vuzlovyi , Kivsharivka , Borova and Dvorichna in Ukraine. On March 31, 2022, during
30-471: A location in Kharkiv Oblast is a stub . You can help Misplaced Pages by expanding it . This article related to a river in Russia is a stub . You can help Misplaced Pages by expanding it . This article related to a river in Ukraine is a stub . You can help Misplaced Pages by expanding it . Central Russian Upland The Central Russian Upland (also Middle Russian Upland and East European Upland )
45-775: Is a stub . You can help Misplaced Pages by expanding it . This article about a location in Ukraine is a stub . You can help Misplaced Pages by expanding it . This Southern Russia location article is a stub . You can help Misplaced Pages by expanding it . List of ancient Slavic peoples and tribes Pontic Steppe Caucasus East Asia Eastern Europe Northern Europe Pontic Steppe Northern/Eastern Steppe Europe South Asia Steppe Europe Caucasus India Indo-Aryans Iranians East Asia Europe East Asia Europe Indo-Aryan Iranian Indo-Aryan Iranian Others European This
60-690: Is a list of early Slavic peoples reported in Late Antiquity and in the Middle Ages , that is, before the year AD 1500. South Slavic tribes descend mainly from two Slavic tribal confederations, Sclaveni and Antes . To reach the Balkans , the two groups took two different paths. While the Sclaveni came from Central Europe north of the Danube and migrated south around the eastern edges of
75-654: Is an upland area of the East European Plain and is an undulating plateau with an average elevation of 230–250 m (750–820 ft). Its highest peak is measured at 293 m (961 ft). The southeastern portion of the upland known as the Kalach Upland [ ru ] . The Central Upland is built of Precambrian deposits of the crystalline Voronezh Massif . It spans approximately 180,000 miles² (480,000 km ) in central and southern European Russia northeast of Ukraine , extending from
90-918: Is part of the East European Craton and southwesterly descends towards the Dnieper-Donets Through (Depression) which along with Prypiat Through forms the Prypiat-Dniper-Donets aulacogen . Most of the Voronezh Massif is covered with thin layers of sedimentary deposits of the Devonian , Jurassic , Cretaceous , and Paleogene periods . In the southeast along the Don River between the cities of Boguchar and Pavlovsk (both in Voronezh Oblast )
105-766: The Alps and across the western part of the Pannonian Plain , the Antes came from the steppe between the Dniester and the Dnieper , penetrating into the Balkans throuhgh Transylvania or, alternatively, the mouth of the Danube . A number of historians have attributed the early split between Eastern and Western South Slavs to the different origins of Sclaveni and Antes. While Western South Slavs were closely linked to
120-503: The Antes . Nevertheless, there must have been substantial overlap between Sclaveni and Antes, especially in contact zones. For example, the exact origin of White Croats is still shrouded in mystery. Some scholars consider them be an Antes tribal polity that migrated to Galicia in the 3rd–4th century, while others regard them as early Sclaveni or as a mixture of both Antes and Sclaveni. Nevertheless, South Slavs over time evolved into
135-802: The Oka river to the Donets river . The upland stretches across a number of regions in Ukraine and the European portion of the Russian Federation . Its north and northwest borders are considered to be the Oka River and an imaginary line Kaluga - Ryazan . To the southeast towards the Donets River , the upland changes into the Donets Lowland . To the east its natural border is defined by
150-698: The Oka–Don Lowland and to the west there is the Dnieper Lowland . Most of the upland lies within the borders of Russia , hence its name. The Kostroma river and the city of the same name suggest that the area in Central Russia is an important reference point for the original home of the Slavic tribes . The river and city bear the same name as the Slavic goddess Kostroma . The Voronezh Massif
165-605: The Russian invasion of Ukraine , the Oskil Dam was destroyed. In September of 2022, to resist the 2022 Ukrainian Kharkiv counteroffensive , Russian forces unsuccessfully used the Oskil River as a defensive barrier. This Belgorod Oblast location article is a stub . You can help Misplaced Pages by expanding it . This Kursk Oblast location article is a stub . You can help Misplaced Pages by expanding it . This article about
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#1732772002994180-651: The Western Slavic Veneti , Eastern South Slavs originated from the Eastern Slavic Antes. This is confirmed by both historical records and the duplication of tribal names between West Slavs and Western South Slavs and East Slavs and Eastern South Slavs , respectively. For example, the Polabian White Serb confederation is generally thought to be the ancestor of both Western Slavic Sorbs and South Slavic Serbs , while
195-706: The Dunabian Abodriti, also known as Praedenecenti , are generally associated with the Polabian Obotrites . The same is true for Antes and Eastern South Slavs. For example, part of the East Slavic Severians are known to have migrated to present-day northeastern Bulgaria, becoming foederati of the First Bulgarian Empire under the name Severi , while some Pripyat Dregoviches are assumed to have migrated to
210-585: The crystalline layers come to the surface. On all sides of the upland the Precambrian deposits descend far below the sedimentary layers. A small part of the upland in the northwest was covered with a glacier during the Wolstonian Stage . Today almost all of the upland is covered with loess and loessial loams . 52°36′N 36°48′E / 52.600°N 36.800°E / 52.600; 36.800 This Central Russia location article
225-655: The valley of the Vardar , establishing themselves as the Drougoubitai . The Seven Slavic tribes are also hypothesized to be Antes hailing from the lands of modern Ukraine, but missing records of their tribal names makes the hypothesis unverifiable. Therefore, it has been suggested that the ancestors of medieval Bosnians, Serbs and Croatians were the Sclaveni , wereas the progenitors of the Bulgarian Slavs were
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