The nominal successor to the Soviet Union was the Commonwealth of Independent States; Ukraine joined on Dec. 8, 1991. Serious tensions soon emerged with Russia as [[Moscow]] took possession of the [[Black Sea]] fleet anchored at Sevastopol, while some Russian politicians wanted the [[Donbas]] and the [[Crimea]]; the latter, being in Russian hands since 1783, had been transferred to Ukraine by the Soviet authorities without referendum or self-determination of peoples in 1954.
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The nominal successor to the Soviet Union was the Commonwealth of Independent States; Ukraine joined on Dec. 8, 1991. Serious tensions soon emerged with Russia as [[Moscow]] took possession of the [[Black Sea]] fleet anchored at Sevastopol, while some Russian politicians wanted the [[Donbas]] and the [[Crimea]]; the latter, being in Russian hands since 1783, had been placed under Ukrainian administration by the Soviet authorities without referendum or self-determination of peoples in 1954.