Era
20th century
188
1900-1999
95
1900 - 1999
34
1875-
28
20e siècle
25
1951-
20
Since 1875
17
21st century
14
20e siècle
13
To 1950
13
19th century
11
To 1964
9
1929-1968
8
Since 1951
8
1922-1987
7
2000-2099
6
1800-1999
5
1877-1964
5
1920-2009
5
1868-1931
4
1908-1960
4
1916-1965
4
Civil War, 1861-1865
4
To 1999
4
1865-1950
3
1883-1950
3
1908-1981
3
1912-1997
3
1917-2000
3
1920-
3
1929
3
1947-
3
1948-1969
3
1968-1994
3
1975-
3
1980-2020
3
1745?-1818
2
1877-1999
2
1888-1969
2
1894-1959
2
1898-1919
2
1902-1976
2
1906-2007
2
1929-
2
1930-1965
2
1932-
2
1941-1955
2
1951-1960
2
1961-1970
2
1964-
2
more ...