Era
19th century
32
1812-1870
10
1800-1899
9
Civil War, 1861-1865
9
21st century
8
War of 1812
8
18th century
7
20th century
7
1812-1815
6
1773-1841
4
1789-1945
4
1837-1841
4
1700-1799
3
1756-1836
3
1809-1817
3
1939-1945
3
1700-1899
2
1789 - 1945
2
1807
2
1945-1989
2
1706-1790
1
1809-1865
1
1812 - 1815
1
1865-1918
1
1875-1962
1
1882-1945
1
1890-1969
1
1900 - 1999
1
1914-1945
1
1916-
1
1918-1981
1
1919-1932
1
1922-2012
1
1928-
1
1929-1933
1
1932-2010
1
1940-1950
1
1945 - 1989
1
1953-
1
1961-1975
1
1965-1972
1
To 1775
1
To 1865
1