Era
Civil War, 1861-1865
1,594
1939-1945
1,357
Revolution, 1917-1921
970
1939 - 1945
914
1861-1865
825
1861 - 1865
581
20th century
554
Revolution, 1775-1783
520
1917-1921
420
Civil War, 1936-1939
413
Revolution, 1789-1799
395
1914-1918
265
1775-1783
245
1936-1939
240
1900-1999
237
1917 - 1921
221
1789 - 1799
219
19th century
217
Civil War, 1945-1949
181
1789-1799
171
1775 - 1783
155
Bombardment, 1945
125
War of 1812
120
1900 - 1999
114
1914 - 1918
111
Revolution
110
1937-1945
105
1945-1949
92
Cultural Revolution, 1966-1976
85
Occupation, 1941-1944
78
1945 - 1949
76
Revolution, 1954-1962
72
1800-1899
71
1937 - 1945
70
French and Indian War, 1754-1763
69
1936 - 1939
68
French and Indian War, 1755-1763
67
Long March, 1934-1935
65
1945
64
Civil War, 1944-1949
63
German occupation, 1940-1945
63
Civil war
61
1961 - 1975
60
1966-1976
54
1769-1821
53
1933-1945
52
War with Mexico, 1845-1848
51
1870-1871
50
18th century
49
1922-
49
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