Era
Civil War, 1861-1865
3,404
Colonial period, ca. 1600-1775
2,633
19th century
2,378
1861-1865
1,490
1775-1865
1,215
Revolution, 1775-1783
980
1800-1899
912
1600-1775
758
18th century
689
20th century
664
To 1775
573
1775-1783
550
1861 - 1865
505
1743-1826
427
17th century
409
19e siècle
402
1600 - 1775
331
1732-1799
298
Early works to 1800
245
1865-1950
238
Civil War, 18611865
238
1775 - 1783
198
1900-1999
197
1580-1631
193
1700-1799
175
1800 - 1899
174
19e siècle
174
Siege, 1781
162
1807-1870
158
-1617
156
1862
151
1775 - 1865
144
1861-1865 (Guerre de Sécession)
121
Siege, 1864-1865
110
1775-1783 (Révolution)
109
1864
105
Colonial period
91
War of 1812
91
1951-
90
1800?-1831
86
To 1799
79
1809-1865
78
French and Indian War, 1754-1763
77
21st century
76
1736-1799
73
1861-1865 (Guerre de Sécession)
72
1900 - 1999
71
1700 - 1799
69
1775-1899
68
1781
59
more ...