Era
20th century
99
Revolution, 1775-1783
56
1900-1999
50
1775-1783
44
21st century
33
1660-1688
32
To 1775
32
19th century
31
17th century
28
Civil War, 1861-1865
28
1809-1865
24
Charles II, 1660-1685
21
Civil War, 1642-1649
15
1951-
13
1861-1865
11
1971-
11
2000-2099
11
1689-1702
10
1800-1899
9
1945-1989
9
1946-
9
1958-
9
1900-2099
8
1775
7
1795
7
1950-
7
1964-
7
William and Mary, 1689-1702
7
1784
6
1957-
6
1959-
6
1989-
6
Charles I, 1625-1649
6
Commonwealth and Protectorate, 1649-1660
6
1599-1658
5
1621-1683
5
1760-1820
5
1786-1787
5
1939-1945
5
1943-
5
1945-
5
1955-
5
1980-
5
George III, 1760-1820
5
1573-1645
4
1603-1649
4
1649-1685
4
1649-1705
4
1654-1693
4
1706-1790
4
more ...