Era
20th century
312
1900-1999
135
19th century
54
21st century
35
1927-1993
21
2000-2099
17
1800-1899
15
1850-1924
12
1900-2099
9
1945-
9
1800-1999
7
1907-1970
7
1980-1989
7
1918-1945
6
1930-
6
1945-1989
6
1870-1919
5
1913-
5
1918-1932
5
1933-1945
5
1953-1961
5
1981-2001
5
1837-1930
4
1865-1918
4
1900 - 1999
4
1918-1933
4
1943-
4
1945-1964
4
1945-1980
4
1975-
4
1994-
4
1865-1921
3
1896-
3
1901-1990
3
1913-1921
3
1915-
3
1939-1975
3
1943-1955
3
1945-1953
3
1958-
3
1997-
3
Since 1900
3
Since 1945
3
To 1950
3
To 1999
3
1800 - 1899
2
1837-1901
2
1850-1950
2
1856-1924
2
1865-1900
2
more ...