Era
1157-1199
1
1167-1216
1
1199-1216
1
1500-1571
1
1797-1851
1
1800-1899
1
1800-1999
1
1813-1883
1
1856-1898
1
1861-1865
1
1900-1999
1
1905-1989
1
1908-1989
1
1908-1999
1
1917-2008
1
1921-
1
1921-2021
1
1926-
1
1926-2022
1
1930-2002
1
1931-2014
1
1934-2017
1
1939-1945
1
1945-2015
1
1961-1970
1
1961-1975
1
1971-1980
1
19th century
2
2001-2011
1
2011-2020
1
20th century
2
Civil War, 1861-1865
2
Civil War, 1994-
1
Elizabeth II, 1952-
1
Elizabeth II, 1952-2022
1
John, 1199-1216
1
Since 1900
1
Since 1994
1