Era
1947-
Since 1947
117
1980-1991
19
1980-
17
1991-
6
1977-
4
20th century
4
1889-1964
3
1917-1984
3
1945-
3
1966-
3
1900 - 1999
2
1976-
2
1976-2000
2
Congresses
2
Since 1900
2
Since 1991
2
(1947- ...)
1
1765-1947
1
1869-1948
1
1891-1956
1
1892-1956
1
1895-1981
1
1907-1991
1
1921-
1
1921-2010
1
1943-
1
1945-1989
1
1947 ****
1
1947-1960
1
1947-2024
1
1966-1974
1
1971-1990
1
1980
1
1980-1991-
1
1981-
1
1992-
1
Geschichte 1765-1947
1
Geschichte 1947-1990
1
Since 1765
1
Since 1945
1
Since 1977
1