Era
20th century
9
19th century
6
Victoria, 1837-1901
2
1769-1859
1
1804-1864
1
1835-1910
1
1847?-ca. 1875
1
1853-1907
1
1865-1936
1
1875-1933
1
1875-1947
1
1903-1999
1
1918-1933
1
1941-
1
1944-2001
1
1945-1991
1
1949-
1
1957-
1
1960-
1
1960-2000
1
21st century
1
Edward VII, 1901-1910
1
Soviet occupation, 1979-1989
1