Era
19th century
5,629
20th century
3,064
Colonial period, ca. 1600-1775
2,803
Revolution, 1775-1783
1,983
18th century
1,975
1600-1775
1,182
Civil War, 1861-1865
1,019
1800-1899
980
1775-1783
977
1775-1865
950
17th century
885
Early works to 1800
840
To 1775
836
1900-1999
658
New Plymouth, 1620-1691
614
1775 - 1783
418
1600 - 1775
335
1861-1865
334
French and Indian War, 1754-1763
332
1700-1799
313
1620-1691
302
21st century
300
1800 - 1899
270
1817-1862
242
1732-1799
233
War of 1812
223
1795
216
1900 - 1999
215
1775
198
1796
195
1600-1699
183
1794
180
1798
174
1812
171
1799
165
1773
158
French and Indian War, 1755-1763
156
1800
153
1793
150
1775-1783 (Révolution)
145
1813
145
1814
145
1797
144
1810
144
1792
138
1861 - 1865
137
2000-2099
137
1818
136
1970
135
Siege, 1775-1776
135
more ...