Era
20th century
20th century --
10
1874-1965
4
1889-1945
3
19th century
3
1918-2013
2
1923-
2
21st century
2
1837-1901
1
1881-1938
1
1889-1964
1
1893-1969
1
1898-1979
1
1903-1990
1
1908-1993
1
1909-
1
1915-1973
1
1917-
1
1917-1963
1
1918-
1
1918-2010
1
1923-2015
1
1925-1968
1
1929 --
1
1932-2009
1
1933-1945
1
1945-
1
1945-1989
1
1966
1
2001 -2009
1
20th
1
20the century
1
21 st century
1
21th century
1