Era
20th century
380
19th century
142
Civil War, 1861-1865
79
21st century
47
18th century
35
Colonial period, ca. 1600-1775
23
Revolution, 1775-1783
21
1882-1941
20
1843-1916
17
1867-1957
13
1897-1962
13
Civil War, 1936-1939
13
1900-1999
11
17th century
9
1812-1870
9
1819-1891
9
1857-1924
9
Elizabeth, 1558-1603
9
2000-2099
8
Civil War, 1642-1649
8
1775-1817
7
Early modern, 1500-1700
7
German occupation, 1940-1945
7
1547-1616
6
1800-1899
6
1840-1928
6
1533-1603
5
16th century
5
1775-1865
5
1815-1861
5
1821-1881
5
1871-1922
5
1900 - 1999
5
1933-1945
5
1564-1616
4
1743-1826
4
1767-1845
4
1865-1898
4
1885-1930
4
1900-2099
4
1910-1946
4
1929
4
1940-
4
2000 - 2099
4
20e siècle
4
Constitutional period, 1789-1809
4
Louis XIV, 1643-1715
4
War of 1812
4
1452-1485
3
1706-1790
3
more ...