Era
Civil War, 1861-1865
152
19th century
73
Revolution, 1775-1783
71
1861-1865
60
20th century
51
1861 - 1865
48
1775-1783
41
1939-1945
37
1939 - 1945
33
1769-1821
32
18th century
32
1775 - 1783
26
1900-1999
26
1789-1815
20
1800-1899
18
1914-1918
18
1758-1805
15
Consulate and First Empire, 1799-1815
14
1807-1870
13
1732-1799
12
1866-1895
12
1800 - 1899
11
British occupation, 1765-1947
11
1822-1885
10
1900 - 1999
9
1914 - 1918
9
1933-1945
9
War of 1812
9
1757-1834
8
1885-1945
8
To 1900
8
1700-1799
7
1765-1947
7
1799 - 1815
7
17th century
7
1809-1865
7
Revolution
7
Revolution, 1789-1799
7
1769-1852
6
1789 - 1815
6
1789-1900
6
1800 - 1815
6
1887-1976
6
1767-1845
5
1800-1815
5
1815-1898
5
1819-1901
5
1821-1877
5
1837-1901
5
Civil War
5
more ...