Era
20th century
34
19th century
32
18th century
18
1900-1999
9
21st century
8
17th century
7
1800-1899
7
Early modern, 1500-1700
6
Old English, ca. 450-1100
6
To 1500
6
Middle English, 1100-1500
5
1840-1928
4
1900-2099
4
16th century
3
1700-1799
3
1783-1850
3
1800-1999
3
Colonial period, ca. 1600-1775
3
Revolutionary period, 1775-1783
3
1600-1850
2
1700-1899
2
1770-1850
2
1772-1834
2
1817-1862
2
1834-1902
2
1842-1901
2
1873-1947
2
1888-1965
2
1904-1991
2
1909-1957
2
1909-1993
2
1918-1945
2
1936-
2
1955-
2
1962-
2
Early modern and Elizabethan, 1500-1600
2
1100-1400
1
1500-1599
1
1500-1700
1
1544-
1
1600 - 1850
1
1600-1699
1
1700 - 1799
1
1709-1784
1
1775-1851
1
1776-1837
1
1789-1851
1
1793-1864
1
1800 - 1999
1
1803-1882
1
more ...