Era
20th century
83
1900-1999
56
Revolution, 1917-1921
29
19th century
23
20e siècle
23
1900 - 1999
21
21st century
18
1939-1945
14
2000-2099
12
1917-1921
11
1800-1999
10
1991-
9
1800-1899
8
Since 1991
8
Allied intervention, 1918-1920
7
To 1533
7
1917-1921 (Révolution)
6
19e siècle
6
18th century
5
1917-1936
5
1300-1700
4
1500-1599
4
16th century
4
1925-1953
4
1939 - 1945
4
20e siècle
4
To 1700
4
1700-1799
3
17th century
3
1800 - 1999
3
1918-1920 (Intervention alliée)
3
1946-
3
1985-1991
3
1300 - 1700
2
1600 - 1699
2
1600-1699
2
1672-1725
2
1681-1741
2
1763-1831
2
1796-1870
2
1847-1909
2
1863-1918
2
1878-1953
2
1888-1919
2
1900 - 2099
2
1900-2099
2
1905-1940
2
1905-1950
2
1914-1918
2
1917 - 1921
2
more ...