Era
17th century
55
20th century
48
19th century
44
William and Mary, 1689-1702
22
1800-1899
21
1900-1999
21
1815-1861
14
1775-1865
12
Charles I, 1625-1649
12
1775-1783
11
1829-1837
11
Charles II, 1660-1685
10
1918-1945
9
Stuarts, 1603-1714
9
1945-
8
21st century
8
Revolution, 1775-1783
8
1767-1845
7
1789-1801
6
1857-1930
6
1929
6
Civil War, 1642-1649
6
1800-1999
5
1837-1908
5
1858-1919
5
1901-1910
5
1946-
5
1976-2000
5
2000-2099
5
Anne, 1702-1714
5
Commonwealth and Protectorate, 1649-1660
5
James I, 1603-1625
5
Since 1945
5
1649-1775
4
1777-1852
4
1783-1865
4
1795
4
1817-1825
4
1865-1918
4
18th century
4
1909-1913
4
Civil War, 1861-1865
4
Colonial period, ca. 1600-1775
4
1689-1702
3
1783-1809
3
1795-1849
3
1833-1901
3
1837-1901
3
1843-1901
3
1856-1924
3
more ...