As the Kievan Rus. For that we need Kiev ... It included territory in modern-day Ukraine, Belarus, and western Russia, with its center in Kyiv, Ukraine's modern-day capital.

KYIV, Ukraine (AP) — Russia attacked Ukrainian energy facilities with dozens of missiles and drones during the night, officials said Friday, hobbling the country’s ability to deliver heat and ...

Both the Russians and the Ukrainians trace their origins to the medieval empire of Kievan Rus, the first East Slavic Orthodox state that contained parts of the territories of contemporary Russia ...