Era
2009-
44
21st century
17
2001-2009
15
1989-
13
1991-
7
1981-2001
6
1981-1993
5
1982-
5
2000-2099
5
20th century
5
Since 1989
5
Since 2009
5
1976-2000
4
2008-2009
4
1918-1933
3
1918-1945
3
1945-
3
1960-
3
1971-1981
3
2000-
3
2003-
3
Since 1960
3
Since 2000
3
1800-1918
2
1835-1924
2
1868-1918
2
1900-1999
2
1914-1975
2
1960-1988
2
1961-1971
2
1968-
2
1975-
2
1990-
2
1994-
2
19th century
2
Since 1968
2
Since 1990
2
Since 1991
2
1921-
1
1929
1
1933-1945
1
1945-1960
1
1946-
1
1970-1973
1
1970-1994
1
1971-1990
1
1973-1988
1
1974-
1
1976-2002
1
1979-
1
more ...