Era
20th century
123
1933-1945
48
19th century
25
1789-1945
13
1945-
13
1945-1990
9
17th century
7
1800-1933
6
18th century
6
1918-1933
6
21st century
6
1881-1960
5
1918-1945
5
German occupation, 1940-1945
5
1789-1900
4
1889-1945
4
1929-1945
4
1990-
4
1564-1616
3
1856-1939
3
1876-1958
3
1900-1944
3
1918-
3
1931-
3
1993-
3
German occupation, 1941-1944
3
History
3
Warsaw Ghetto Uprising, 1943
3
1564-1593
2
1603-1714
2
16th century
2
1871-1918
2
1888-1918
2
1897-1944
2
1912-
2
1914-1943
2
1917-1948
2
1918-1938
2
1922-1945
2
1925-
2
1926-
2
1936-1945
2
1937-1945
2
1939-1945
2
1940-1945
2
1945-1955
2
Modern period, 1750-
2
To 70 A.D
2
(1939-1945)
1
-1941
1
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