1689 1868-1912 1916 1917 1917-1921 1991 biography communismbyregion communists fo formersovietunion general historicalbiography history historyofcomm imperialrussia imperialrussianhistory japanesehistory kings meijirestoration miscellaneous nobility politicalaspects politicalbiography royalty rulers russia russianrevolution socialism soviethistory sovietunion stalinistera