Era
1979-
Since 1945
1945-
252
1979-1997
44
1945-1979
26
1945-1964
23
Since 1979
19
1993-
17
1973-1993
16
20th century
12
1945-1989
9
1973-
8
1985-
8
1945-1985
7
1997-
7
1945-1993
6
1979-1992
6
21st century
6
1975-
5
1951-1979
4
1964-1979
4
1970-
4
1975-1979
4
1979-1993
4
1997-2007
4
Since 1900
4
1960-
3
1979 - 1997
3
1980-
3
1982-
3
1989-
3
2000-
3
2017-2021
3
1918-
2
1918-1981
2
1923-
2
1923-2023
2
1941-
2
1945
2
1951-
2
1958-
2
1969-1974
2
1970-1981
2
1979
2
1979-1990
2
1980-1990
2
1981-
2
1992-
2
1994-
2
Civil War, 1975-1990
2
more ...