Era
20th century
6
To 1900
4
19th century
3
Civil War, 1861-1865
3
War of 1812
3
18th century
2
Revolution, 1775-1783
2
1517-
1
1783-1865
1
1800-1874
1
1812-1897
1
1840-1914
1
1857-1930
1
1858-1919
1
1870-1953
1
1878-1956
1
1882-1959
1
1884-1945
1
1886-1941
1
1898-1968
1
1903-1984
1
1908-2000
1
1911-1981
1
1911-1994
1
1920-2000
1
1936-2018
1
1937-2014
1
1939-
1
1939-1945
1
Revolution, 1917-1921
1
Spanish-American War, 1898
1
Tripolitan War, 1801-1805
1