Era
1904-1991
9
1900-1999
7
1904-
6
1859-1916
4
20th century
4
1864-1918
2
1939-1945
2
1961-1970
2
1864 - 1918
1
1870-1925
1
1879-1915
1
1889-1959
1
1896-1971
1
1901-1969
1
1904-1995
1
1904-1995,
1
1905-1907
1
1971-1980
1
30-600
1
Primitive and early church, ca. 30-600
1
Revolution, 1905-1907
1
Warsaw Ghetto Uprising, 1943
1
ca. 5. Jh
1