Era
1933-1945
13
1939-1945
12
1918-1945
11
1938-1945
7
20th century
5
1884-1948
4
1918-
4
Since 1918
4
1945-
3
1882-1945
2
1887-1947
2
1889-1973
2
1914-
2
1917-
2
1921-1951
2
1939-1951
2
1939-1991
2
1945-1991
2
Axis occupation, 1941-1945
2
Since 1939
2
Uprising, 1944
2
-2004
1
1865-1950
1
1884-1972
1
1890-1946
1
1890-1974
1
1891-1967
1
1892-1980
1
1893-1946
1
1910-2005
1
1914-1940
1
1914-1945
1
1939-1989
1
1944 (Insurrection)
1
1945-1955
1
1945-1980
1
1945-1989
1
German occupation, 1940-1945
1
Russian occupation, 1940-1941
1