Era
2009-
95
20th century
86
21st century
76
1981-2001
75
2001-2009
64
2000-2099
40
1981-1993
32
2008-2009
29
1900-1999
25
1971-1981
24
2000-
23
1945-
22
1989-
21
16th century
20
1918-1945
17
1993-2001
17
Since 2000
16
1991-
15
19th century
15
1929
13
Since 1989
13
1926-
12
2001-
12
Since 1945
12
17th century
9
18th century
9
Mary I, 1553-1558
8
1883-1946
7
1961-1971
7
1976-2000
7
Since 1991
7
1900-2099
6
1979-1997
6
Since 2009
6
1800-1999
5
1933-1945
5
1981-
5
1994-
5
1997-
5
-1536
4
1945-1989
4
1947-
4
1949-
4
1983-
4
1990-
4
Edward VI, 1547-1553
4
James I, 1603-1625
4
Since 1947
4
Since 1976
4
Since 1997
4
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