Era
1945-
9
Since 1945
8
21st century
7
1993-2001
6
2001-2009
5
1981-2001
3
1971-
2
1976-2000
2
1981-2009
2
1989-
2
1991-
2
2000-
2
2000-2099
2
2009-
2
20th century
2
Since 1976
2
Since 1989
2
1887-1940
1
1945-1984
1
1968-
1
1971-1981
1
1971-1991
1
1980-
1
1981-
1
1981-1993
1
1985-
1
1993-2009
1
21th century
1
Since 1968
1
Since 1981
1
Since 1985
1
Since 1991
1
Since 1993
1