Individual #Russia.empire__russia  a former empire in eastern Europe and northern Asia; powerful in 17-18th centuries under Peter the Great and Catherine the Great; overthrown by revolution in 1917
  instance of:  #empire
  part:  #Muscovy
  part of:  #Eurasia  the land mass formed by the continents of Europe and Asia
     part of:  #eastern_hemisphere__easternhemisphere__orient  the hemisphere that includes Eurasia and Africa and Australia
     part of:  #northern_hemisphere  the hemisphere north of the equator

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