Era
1976-2000
1976-
171
Since 1976
96
1976-2002
64
2000-
58
1976 - 2000
24
1989-
13
1975-
11
2002-
11
1976 - 2002
10
20th century
9
1991-
8
1976
7
1904-1997
6
1945-
5
1947-
5
1988-
5
Since 1975
5
1971-1990
4
1988-2000
4
21st century
4
Since 1947
4
Since 1949
4
1971-2000
3
1980-1991
3
Since 1945
3
1900-2002
2
1945-1989
2
1949-
2
1949-1976
2
1960-
2
1960-1988
2
1971-
2
1974-1990
2
1977-
2
1990-
2
1900 - 1999
1
1900-2000
1
1900-2099
1
1930-
1
1945-2000
1
1960-2000
1
1970-1994
1
1971 - 2000
1
1976- xCongresses
1
1976-2002 (Kina)
1
1976-2002-
1
1980-
1
1986-
1
1986-1991
1
more ...