Era
1918-1945
20th century
8
1918-1940
3
1883-
2
1884-
2
1887-1925
2
1900 - 1999
2
1900-1999
2
1917-1936
2
1939-1945
2
1884-1957
1
1917 - 1945
1
1917-1945
1
1918 - 1945
1
1918-
1
1940-1991
1
German occupation, 1941-1944
1
Geschichte 1917-1937
1
Revolution, 1917-
1
Revolution, 1917-1921
1
Soviet occupation, 1940-1941
1