Era
1900 - 1999
1
1900-1999
22
1911-1997
2
1914-1918
1
1927-2011
1
1930-
1
1935-
1
1940-1991
1
1944-
1
1945-1970
1
1946 April 8-
1
1950-
1
1959-
1
1960-
1
1961-1975
1
1966-
1
1968-
3
1971-
2
1975-1990
1
1979-
1
1980-2020
1
1981-1989
1
1985-1991
2
1989-
1
2000-2099
6
20th century
33
21st century
11
Civil War, 1975-1990
1
Geschichte 1950-1960
1
Since 1960
1
Since 1971
2