俄羅斯蘇維埃聯邦社會主義共和國
é​luó​sī​sū​wéi'āi​lián​bāng​shè​huì​zhǔ​yì​gòng​hé​guó

Russian Soviet Federative Socialist Republic

俄罗斯苏维埃联邦社会主义共和国 俄羅斯蘇維埃聯邦社會主義共和國 é​luó​sī​sū​wéi'āi​lián​bāng​shè​huì​zhǔ​yì​gòng​hé​guó
Russian Soviet Federative Socialist Republic
the largest and most populous constituent republic of the Soviet Union from 1917 to 1991

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