Era
20th century
11
1900-1999
4
Revolution, 1917-1921
4
1801-1917
3
1917-1928
3
1928-1932
3
1939-1945
3
1925-1953
2
Geschichte
2
1899-1976
1
1914-1921
1
1917-1921
1
1917-1932
1
1917-1936
1
1917-1945
1
1917-1953
1
1922-
1
1925-1991
1
1939 - 1945
1
1945-1991
1
1975-1985
1
1985-1991
1
19th century
1
February Revolution, 1917
1
Geschichte 1939-1945
1