Era
1945-1989
20th century
16
1989-
7
Revolution, 1956
6
1900-1999
5
1980-1989
4
1892-1971
2
1918-1945
2
1976-2000
2
1976-2002
2
Intervention, 1968
2
Revolution, 1918-1919
2
1878-1953
1
1900 - 1999
1
1944-1989
1
1945-
1
1945-1980
1
1945-1982
1
1968-1989
1
1969-
1
1980-
1
1982-
1
1989-1993
1
Since 1900
1