Era
2000-
41
21st century
38
20th century
32
Since 2000
24
17th century
23
1991-
17
19th century
17
1900-1999
14
1945-
13
18th century
12
1976-2000
12
1990-
11
1689-1745
8
1800-1899
8
1981-1993
8
2002-
8
1700-1799
6
1989-
6
1993-2001
6
16th century
5
Since 1945
5
1918-1945
4
1929
4
1947-
4
1981-2001
4
2000-2099
4
2009-
4
1660-1688
3
1918-
3
1945-1989
3
Charles I, 1625-1649
3
Conquest, 1519-1540
3
Unification, 1990
3
1500-1599
2
17th/18th cent
2
1829-1837
2
1833-1901
2
1837-1908
2
1885-1889
2
1888
2
1888-1918
2
1900-1918
2
1923-1929
2
1929-1933
2
1945-1971
2
1949-1976
2
1971-1990
2
1976-2002
2
2001-2009
2
2003-
2
more ...