Era
19th century
67
Civil War, 1861-1865
42
20th century
40
Colonial period, ca. 1600-1775
40
18th century
35
Revolution, 1775-1783
31
John Brown's Raid, 1859
12
War of 1812
12
20e siècle
11
1783-1850
10
1800-1899
9
1850
9
1900-1999
9
1773-1841
7
1857-1861
6
1859
6
1862
6
1600-1775
5
1706-1790
5
1775-1783
5
17th century
5
1809-1849
5
1856
5
19e siècle
5
To 1775
5
To 1863
5
ca 1600-1775 (Période coloniale)
5
1775-1865
4
1783-1865
4
17e siècle
4
1800-1859
4
1846-1850
4
1854-1861
4
1861-1865
4
1868
4
18e siècle
4
Early modern, 1500-1700
4
To 1865
4
1644-1718
3
1732-1799
3
1771-1810
3
1775-1783 (Révolution)
3
1789
3
1836
3
1860
3
1861
3
1865-1898
3
400-1400
3
Civil War
3
1564-1616
2
more ...