Era
1939-1945
79
20th century
24
1945-
15
1900-1999
11
1918-1945
10
Since 1945
10
1945-1980
9
1939 - 1945
8
Warsaw Ghetto Uprising, 1943
8
1980-1989
7
Occupation, 1939-1945
7
Uprising, 1944
7
1915-1990
5
1989-
5
21st century
5
1930-
4
1564-1616
3
1798-1855
3
1864-1925
3
1867-1925
3
1894-1980
3
1908-1987
3
1938-2009
3
1943-
3
1944
3
19th century
3
Revolution, 1863-1864
3
Since 1989
3
1600-1699
2
1793-1876
2
17th century
2
1810-1849
2
1816-1850
2
1857-1921
2
1871?-1937
2
1878-1942
2
1878-1943
2
1885-1939
2
1889-1945
2
1905-1989
2
1908-1974
2
1910-2001
2
1910-2008
2
1911-
2
1925-2017
2
1933-1945
2
1934-1969
2
1938-
2
1945-1955
2
1949-2010
2
more ...