Era
20th century
52
1900-1999
30
1945-
22
21st century
15
1939-1945
13
1914-1918
11
1961-1975
11
19th century
9
Since 1945
8
2000-2099
7
1887-1962
5
1901-1945
5
1914-1945
5
1916-
5
1961 - 1975
5
1800-1899
4
1900 - 1999
4
1900-1965
4
1989-
4
Since 1989
4
1914 - 1918
3
1914 - 1945
3
1914-1975
3
1939 - 1945
3
1939-
3
1945-1965
3
1995-2005
3
World War, 1914-1918
3
1788-1900
2
1867-
2
1899-1902
2
1900 - 2099
2
1913-2004
2
1921-
2
1936-
2
1945-1964
2
1945-1989
2
2001-
2
20e siècle
2
Malayan Emergency, 1948-1960
2
Since 2001
2
-2007
1
1788-1851
1
1788-1951
1
1861-1915
1
1863-1930
1
1864-1938
1
1864?-1902
1
1865-1931
1
1870-1914
1
more ...