Era
1945-1989
20th century
12
1989-
8
1945-1991
7
1900-1999
5
1985-1991
5
1945-
4
1980-1989
4
Since 1945
4
Revolution, 1956
3
1945 - 1995
2
1975-1985
2
1985-1995
2
Intervention, 1968
2
1878-1953
1
1894-1971
1
1900 - 1999
1
1945 1989
1
1953-1985
1
1955-1965
1
1970-1991
1
1981-1989
1
1985 1991
1
1986-1991
1
Since 1900
1