Individual #USSR__Soviet_Union__Russia__Union_of_Soviet_Socialist_Republics  a former communist country in eastern Europe and northern Asia; established in 1922; included Russia and 14 other soviet socialist republics (Ukraine and Byelorussia an others); officially dissolved 31 December 1991
  part:  February_Revolution  Russian_Revolution  Soviet_Socialist_Republic  Soviet_Russia  Caspian_Sea
  part of:  Eurasia
  type:  country__state__land  the territory occupied by a nation; "he returned to the land of his birth"; "he visited several European countries"

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