Era
Colonial period, ca. 1600-1775
19
Civil War, 1861-1865
15
19th century
13
Revolution, 1775-1783
13
20th century
12
1900-1999
9
1939-1945
6
1809-1865
5
1917-1921
4
Revolution, 1917-1921
4
War of 1812
4
1860-1918
3
18th century
3
1918-1945
3
1979-
3
Since 1979
3
1760-1789
2
1783-1850
2
1783-1865
2
1800-1945
2
1812-1815
2
1847
2
1900-1945
2
1914-
2
1914-1918
2
1918-
2
1918-1938
2
1931-1939
2
1939-1975
2
1945-1989
2
1953-1985
2
1975-
2
Civil War
2
Revolution (1775-1783)
2
Since 1918
2
Since 1931
2
1600-1699
1
1723-1791
1
1732-1799
1
1733-1804
1
1743-1826
1
1775-1783
1
1789-1809
1
1789-1809 (Période constitutionnelle)
1
17th century
1
1809-1817
1
1809-1849
1
1812, Guerre de
1
1825-1829
1
1832-1870
1
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