Era
1918-1945
1917-1945
250
20th century
133
1917-1936
82
1933-1945
79
Revolution, 1917-1921
77
1918 - 1945
56
1900-1999
47
1945-
43
1878-1953
42
1917 - 1945
42
1889-1945
30
1939-1945
30
Occupation, 1939-1945
24
1918-
23
1918-1933
23
1917-1928
20
Since 1918
20
1914-1945
18
1917-
18
1936-1953
17
1945-1989
15
Since 1917
15
1925-1953
13
1900 - 1999
10
1914-
10
1919-1932
10
1945-1980
10
1945-1991
10
1914 - 1945
9
1918-1940
8
Allied intervention, 1918-1920
8
German occupation, 1941-1944
8
1926-1945
7
1928-1932
7
1938-1945
7
Uprising, 1944
7
Wars of 1918-1921
7
1867-1935
6
1870-1924
6
1879-1953
6
1900-1945
6
1918-1989
6
1945-1955
6
20e siècle
6
Revolution, 1918-1919
6
1871-1918
5
1876-1951
5
1882-1945
5
1914-1940
5
more ...