Era
20th century
20th century --
27
21st century
10
1945-1989
3
20th Century
3
21th century
3
1929 --
2
1929-1968
2
1945-
2
1989-
2
-1999
1
1893-1969
1
1897-1901
1
1897-1989
1
1904-1974
1
1911-1976
1
1913-2005
1
1915-1981
1
1917-2015
1
1927-1959
1
1928-
1
1933-1945
1
1939-
1
1945
1
1945-1977
1
1947-
1
1949
1
1955-1956
1
1967-1973
1
1973-1993
1
2001-
1
20th century
1
20the century
1
20yh centuruy
1