Era
Occupation, 1939-1945
93
1939-1945
25
20th century
16
1939 - 1945
10
1900-1999
9
Uprising, 1944
6
1945-1980
5
1917-1991
4
German occupation, 1941-1944
4
1881-1943
3
1918-1945
3
Soviet occupation, 1939-1941
3
Warsaw Ghetto Uprising, 1943
3
1895-1966
2
1914-
2
1917 - 1991
2
1930-2012
2
1933-1945
2
1938-1945
2
Siege, 1939
2
1897-1946
1
1900-1944
1
1900-1985
1
1913-2005
1
1915-1996
1
1917-1945
1
1925-
1
1939-1945 (Occupation)
1
1992
1