Era
20th century
18
21st century
15
1945-1989
11
1945-
9
1971-1990
3
1990-
3
1945-1991
2
1953-1975
2
1989-
2
1750-1918
1
1912-
1
1918-
1
1918-1945
1
1929
1
1933-
1
1940-
1
1945-1953
1
1949-
1
1949-1976
1
1953-1985
1
1960-
1
1981-
1
1981-1989
1
1981-1993
1
1981-2001
1
1993-
1
1997-
1
19th century
1
2000-
1
2001-2009
1
Revolution, 1954-1962
1
Revolution, 1979
1
Siglo XX
1