Era
17th century
56
20th century
48
19th century
33
18th century
29
1900-1999
24
21st century
17
2000-2099
15
1700-1799
10
To 1500
10
1800-1899
9
1700-1899
7
1800-1999
7
1939-1945
7
Charles I, 1625-1649
7
Civil War, 1642-1649
7
16th century
6
1749-1832
6
1886-1968
6
1600-1699
5
1933-1945
5
1759-1805
4
Commonwealth and Protectorate, 1649-1660
4
To 1775
4
1625-1649
3
1714-1837
3
Charles II, 1660-1685
3
Middle High German, 1050-1500
3
Old English, ca. 450-1100
3
To 1600
3
1050-1500
2
1185-1600
2
1500-1599
2
1630-1685
2
1642-1649
2
1648-1789
2
1724-1804
2
1752-1840
2
1802-1887
2
1811-1889
2
1827-1891
2
1862-1943
2
1875-1953
2
1888-1972
2
1898-1979
2
1900-2099
2
1902-1977
2
1903-1957
2
1918-1933
2
1970-
2
1971-
2
more ...