Era
1917-1936
Revolution, 1917-1921
24
1936-1953
22
1878-1953
11
1925-1953
11
20th century
11
1870-1924
6
1894-1917
6
Nicholas II, 1894-1917
6
1879-1953
3
1879-1940
2
1889-1945
2
1917-
2
1933-1945
2
1801-1917
1
1884-1943
1
18th century
1
1912-1949
1
1917-1921
1
1917-1945
1
1918-1933
1
1918-1945
1
1939-1945
1
1952-
1
19th century
1
20e siecle
1
Alexander III, 1881-1894
1
Revolution, 1789-1799
1
Revolution, 1905-1907
1