Era
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1917-
230
1917-1921
4
1917-1921 (Révolution)
1
1917-1936
14
1917-1945
18
1917-1948
1
1918-
2
1918-1945
6
1918-1953
2
1919-1945
1
1926-2002
1
1929
4
1931-
1
1932
1
1933-
2
1933-1945
7
1933-1953
1
1936-1939
2
1940
1
1945-
5
1945-1953
10
1945-1955
1
1945-1970
1
1945-1980
1
1945-1991
3
1945-1992
3
1948
3
1948 (Coup d'État)
2
1948-
1
1953-1961
1
1953-1985
2
1955-1965
1
1956
1
1959-1965
1
1960-1980
2
1963-1969
1
1966-1970
1
19th century
1
20th century
11
Allied intervention, 1918-1920
1
Civil War, 1936-1939
3
Coup d'état, 1948
3
Nicholas II, 1894-1917
2
Revolution, 1917-1921
7
Revolution, 1956
1
Russian occupation, 1940-1941
1
Since 1914
1
Since 1917
13
Since 1918
2
Since 1945
1
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