Era
20th century
103
1900-1999
40
21st century
34
19th century
26
1945-1989
25
2008
18
2000-2099
15
2009-2017
14
1975-
12
1989-
12
2001-2009
12
1946-
8
1933-1945
7
Since 1900
6
1964-
5
Since 1975
5
1800-1899
4
1865-1900
4
1951-
4
1775-1783
3
1783-1865
3
1815-1861
3
1849-1877
3
1865-1918
3
1869-1934
3
1882-1945
3
1908-1973
3
1913-1921
3
1921-1923
3
1923-1929
3
1934-
3
1980-
3
1993-
3
To 1964
3
1800 - 2009
2
1800-1901
2
1800-1999
2
1843-1901
2
1852-1918
2
1856-1915
2
1858-1919
2
1865-1933
2
1865-1950
2
1865-1999
2
1897-1901
2
1900 - 1999
2
1932-
2
1935-
2
1953-
2
1963-1969
2
more ...