Era
1900 - 2099
1
1900-2011
1
1933-
1
1945-
1
1945-1966
1
1945-2001
1
1946-
1
1960-1980
2
1961-1971
1
1970-
3
1971-1981
12
1971-1990
1
1971-2001
1
1975-
2
1980-
15
1980-1993
1
1980-2020
8
1981 - 2001
1
1981-
1
1981-1989
7
1981-1993
63
1981-2001
1981-2009
3
1981-2099
2
1989-
2
1989-1993
4
1991-
2
1993-
2
1993-2001
40
2000-
1
2001-
11
2001-2009
14
2009-
1
20th century
11
21st century
3
Since 1900
1
Since 1975
1
Since 1980
4
Since 1981
7