Era
20th century
27
1900-1999
9
19th century
7
1900 - 1999
3
To 1950
3
1800-1999
2
1858-1919
2
1865-1918
2
1918-1932
2
1945-
2
21st century
2
-1536
1
1800-1899
1
1825-1895
1
1857-1924
1
1857-1938
1
1860-1951
1
1865-1999
1
1870-1953
1
1873-1947
1
1874-1960
1
1882-1955
1
1887-1982
1
1890-1945
1
1897-1901
1
1898
1
1898-1952
1
1919-1933
1
1945-1953
1
1945-1989
1
Since 1945
1