Ukrainian Soviet Socialist Republic
The Ukrainian Soviet Socialist Republic (Ukrainian SSR or UkrSSR or UkSSR; , УРСР ; , УССР ; see "Name" section below), also known as the Soviet Ukraine, was one of the constituent republics of the Soviet Union from the Union's inception in 1922 to its breakup in 1991. The republic was governed by the Communist Party of Ukraine as a unitary one-party socialist soviet republic.
Russians in Ukraine
The Ukrainian SSR was "de jure" a separate state until the formation of the USSR in 1922 and survived until the breakup of the Soviet Union in 1991. Lenin insisted that ignoring the national question in Ukraine would endanger the support of the Revolution among the Ukrainian population and thus new borders of Soviet Ukraine were established to the extent that the Ukrainian People's Republic was claiming in 1918. The new borders completely included Novorossiya (including the short-lived Donetsk-Krivoy Rog Soviet Republic) and other neighboring provinces, which contained a substantial number of ethnic Russians.