Era
20th century
24
1900-1999
9
1918-1945
8
19th century
7
1993-
6
21st century
6
1939-1945
5
1945-1992
5
Since 1993
5
1918-1938
4
1989-
4
1900-2099
3
1914-1918
3
1945-
3
1500-1620
2
1914-
2
1914-1920
2
1918 - 1945
2
1938-
2
1945 - 1992
2
2000-2099
2
Since 1989
2
1500-1699
1
16th century
1
1700-1799
1
1742-1848
1
1750-1918
1
17th century
1
1800-1999
1
1846-1927
1
1865-1918
1
1867-1938
1
18th century
1
1900-1987
1
1901-1950
1
1906-1997
1
1914-1945
1
1915-
1
1918-1920 (Intervention alliée)
1
1923-
1
1923-1993
1
1929
1
1930-
1
1938-1945
1
1939 - 1945
1
1945-1989
1
1967-
1
1968-1989
1
1969-1989
1
1970-1990
1
more ...