Era
1989-
Since 1989
227
1945-
47
Since 1945
28
20th century
25
1945-1989
18
1990-
18
1980-
14
Since 1900
14
1985-1991
10
1989-1993
10
1991-
10
Since 1980
10
1976-
9
Since 1985
9
Unification, 1990
8
1981-1989
7
1981-1990
7
1985-1995
7
1981-
6
Since 1976
6
Since 1981
6
1986-1991
5
1961-
4
1976-2000
4
1980-1989
4
1985-
4
1989-1990
4
1989-1994
4
1982-
3
1989
3
Congresses
3
1900 - 1999
2
1900-1999
2
1945 - 1989
2
1949-1990
2
1966-1998
2
1970-
2
1975-
2
1975-1985
2
1976-2002
2
1977-1981
2
1986-
2
1988-
2
1993-
2
1994-
2
21st century
2
Geschichte 1989
2
Geschichte 1989-1990
2
Geschichte 1989-1995
2
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