Kievan Rus'Kievan Rus', also known as Kyivan Rus' ( , or ро́усьскаѧ землѧ́ ; Garðaríki), was a state and later an amalgam of principalities in Eastern and Northern Europe from the late 9th to the mid-13th century. Encompassing a variety of polities and peoples, including East Slavic, Norse, and Finnic, it was ruled by the Rurik dynasty, founded by the Varangian prince Rurik. The modern nations of Belarus, Russia, and Ukraine all claim Kievan Rus' as their cultural ancestor, with Belarus and Russia deriving their names from it.
SeveriansThe Severians, also Severyans, Siverians, or Siverianians (Севяране; Севери; Северяне; Сiверяни) were a tribe or tribal confederation of early East Slavs occupying areas to the east of the middle Dnieper River and southeast of the Danube River. They are mentioned by the Bavarian Geographer (9th century), Emperor Constantine VII (956–959), the Khazar ruler Joseph (c. 955), and in the Primary Chronicle (1113). The etymology of the name "Severian" is uncertain. The name of the Severia region originated from the Slavic tribes.
PereiaslavPereiaslav or Pereyaslav (Перея́слав, pereˈjɑslɐu̯; Periyoslov), formerly Pereiaslav-Khmelnytskyi or Pereyaslav-Khmelnytskyy (1943–2019), is a historical city in the Boryspil Raion, Kyiv Oblast (province) of central Ukraine, located near the confluence of Alta and Trubizh rivers some south of the nation's capital Kyiv. Along with Kyiv and Chernihiv, it forms the nucleus of the medieval Ruthenia. Pereiaslav hosts the administration of Pereiaslav urban hromada, a hromada in Ukraine.
East SlavsThe East Slavs are the most populous subgroup of the Slavs. They speak the East Slavic languages, and formed the majority of the population of the medieval state Kievan Rus', which they claim as their cultural ancestor. Today, the East Slavs consist of Belarusians, Russians, Rusyns, and Ukrainians. Rus' people and Ruthenians Researchers know relatively little about the Eastern Slavs prior to approximately 859 AD when the first events recorded in the Primary Chronicle occurred.
Byzantine EmpireThe Byzantine Empire, also referred to as the Eastern Roman Empire, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinople. It survived the fall of the Western Roman Empire in the 5th century AD and continued to exist until the fall of Constantinople to the Ottoman Empire in 1453. During most of its existence, the empire remained the most powerful economic, cultural, and military force in the Mediterranean world.
Oleg the WiseOleg (Ѡлегъ, Ольгъ; Helgi; died 912), known as Oleg the Wise, Oleg of Novgorod, or Oleg of Kiev, was a Varangian prince of the Rus' who became prince of Kiev and laid the foundations of the Kievan Rus' state. According to the Primary Chronicle, he succeeded his "kinsman" Rurik as ruler of Novgorod, and subdued many of the East Slavic tribes to his rule, extending his control from Novgorod to the south along the Dnieper river. Oleg also launched a successful attack on Constantinople.
