Era
20th century
6
1924-1984
2
1928-1965
2
1931-1965
2
1935-1964
2
1977-
2
1989-2017
2
19th century
2
-1888
1
-1913
1
-1946
1
-2003
1
1442-1483
1
1452-1485
1
1746-1778
1
1799-1869
1
17th century
1
1802-1832
1
1860-1909
1
1860-1927
1
1874-1965
1
1884-1915
1
1890-1976
1
1898-1951
1
18th century
1
1904 March 17-1962
1
1907-1986
1
1914-1970
1
1923-2012
1
1931-1969
1
1931-1972
1
1934-2017
1
1939-1964
1
1943-
1
1943-1964
1
1945-
1
1953-2001
1
1960-1988
1
1960-2004
1
1967-2015
1
1973-
1
1973-2001
1
1978-1997
1
1991-
1
Charles II, 1660-1685
1
George V, 1910-1936
1