Title: [Pi︠a︡td́esi︠a︡t let Velikoĭ Okti︠a︡brśkoĭ sot︠s︡ialisticheskoĭ revoli︠u︡tsii
Subjects: Anniversaries, Communism, History, T︠S︡K KPSS
Places: Soviet Union
Time periods: Revolution, 1917-1921