Era
1989-
742
1945-1989
468
Since 1989
89
1989-1993
88
1981-1989
87
1945-
83
Since 1945
82
20th century
65
21st century
24
Since 1900
22
1924-2018
20
1993-2001
20
1977-1981
13
1980-
12
1985-1991
12
1990-
11
1933-1945
10
1985-1995
10
2001-2009
9
1979-1990
7
2001-
7
1975-1985
6
1900-1999
5
1946-
5
1979-
5
1981-1993
5
2009-2017
5
1945-1991
4
1948-1980
4
Since 1977
4
Since 1981
4
1780-1831
3
1884-1972
3
1923-
3
1937-2006
3
1959-1990
3
1979-1991
3
1982-
3
1991-
3
1993-
3
Revolution, 1959
3
Since 1980
3
1890-1969
2
1904-1980
2
1905-1995
2
1908-1973
2
1917-2007
2
1918-
2
1931-
2
1931-2022
2
more ...