Era
Civil War, 1861-1865
6
1857-1861
3
1780-1875
2
1791-1868
2
1933-1945
2
1762-1824
1
1789-1815
1
1801-1815
1
1815-1861
1
1854-1861
1
1855-1925
1
1861-1865
1
1863
1
1865-1869
1
1866
1
1869-1877
1
1882-1945
1
1885-1912
1
1912
1
1932
1
1932-1945
1
19th century
1
Revolution, 1775-1783
1
War with Mexico, 1845-1848
1