Era
20th century
80
19th century
47
1900-1999
40
1809-1865
22
17th century
14
1800-1899
14
To 1775
14
1899-1975
11
18th century
11
1946-
11
1951-
11
1964-
11
1857-1938
9
Colonial period, ca. 1600-1775
9
1945-1989
8
16th century
7
1815-1861
7
1845-1861
7
1935-
7
1811-1884
6
1815-1882
6
1865-1933
6
1910-1985
6
1948-
6
Civil War, 1861-1865
6
1564-1616
5
1775-1865
5
1778-1868
5
1812-1870
5
1933-1945
5
1700-1799
4
1723-1780
4
1743-1826
4
1767-1845
4
1799-1859
4
1843-1926
4
1886-1968
4
1908-1993
4
1929-1968
4
Early modern and Elizabethan, 1500-1600
4
Since 1951
4
1600-1775
3
1609-1676
3
1750-1823
3
1775-1783
3
1783-1865
3
1785-1848
3
1796-1865
3
1812-1887
3
1812-1890
3
more ...