Era
20th century
279
Revolution, 1917-1921
137
1900-1999
125
1991-
78
19th century
73
1917-1921
46
1917-1936
46
1900 - 1999
44
1801-1917
37
1870-1924
35
Since 1991
29
1878-1953
26
1985-1991
26
1818-1883
23
1874-1948
22
21st century
22
1800-1999
21
1989-
21
1895-1975
19
1888-1939
17
20e siècle
15
1800-1899
14
1953-1985
14
1917 - 1921
13
1931-2022
13
1970-1991
13
1936-1953
12
1917-1921 (Révolution)
11
1939-1945
11
1945-1991
11
1986-1991
11
Nicholas II, 1894-1917
11
Revolution, 1789-1799
11
1917-
10
1917-1970
10
1794-1856
9
18th century
9
Since 1917
9
1889-1945
8
1931-
8
1945-1989
8
1770-1831
7
1800 - 1899
7
1800 - 1999
7
1821-1881
7
1894-1917
7
1896-1934
7
1945-
7
Since 1900
7
Since 1989
7
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