Era
1917-1921
15
Revolution, 1917-1921
15
1939-1945
12
1914-1918
9
1917-1921 (Révolution)
6
1860-1953
2
1891-
2
1899-1945
2
1900-1999
2
1917-
2
1939 - 1991
2
1945-1991
2
20th century
2
Since 1917
2
Wars of 1918-1921
2
-1955
1
1870-
1
1870-1952
1
1901-
1
1901-1979
1
1941-1944 (Occupation allemande)
1
1944-
1
20e siècle
1
German occupation, 1941-1944
1
Since 1939
1