Era
Revolution, 1775-1783
74
Colonial period, ca. 1600-1775
41
Civil War, 1861-1865
18
War of 1812
9
20th century
8
Revolution
8
1939-1945
6
1775-1783
5
Since 1945
4
1900-1999
3
1945-
3
19th century
3
Civil War
3
War with Mexico, 1845-1848
3
1800-1999
2
742-814
2
Revolution (1775-1783)
2
1750-1806
1
1775-1782
1
1789-1869
1
1793-1880
1
1800-1904
1
1824-1892
1
1825
1
1861-1865
1
1867-1936
1
1869-1934
1
1891-
1
18th century
1
1901-1987
1
1945-1991
1
1956
1
Civil war
1
Colonial Period
1
Colonial period, ca.1600-1775
1
French and Indian war, 1755-1763
1
Reolution, 1775-1783
1
Revoluation
1
Revolution, 1776-1783
1
Revolution, 1917-1921
1
Revolution, 1956
1
Revolution,1775-1783
1
U.S.
1