Era
19th century
90
20th century
33
1861-1865
12
Colonial period, ca. 1600-1775
11
Civil War, 1861-1865
10
1800
9
1800-1899
8
1796
7
18th century
7
1900-1999
6
1600-1775
4
1798
4
1799
4
1980-
4
1600 - 1775
3
1794
3
1797
3
17th century
3
1811
3
1844
3
1871
3
1951-
3
1700 - 1799
2
1700-1799
2
1775-1865
2
1785
2
1789
2
1791
2
1793
2
1795
2
1800 - 1899
2
1857
2
1861 - 1865
2
1873-1942
2
1898-1951
2
1948-1980
2
1979-
2
21st century
2
New Plymouth, 1620-1691
2
Revolution, 1775-1783
2
Revolution, 1959
2
Since 1970
2
1500-2000
1
1600-1699
1
1600-1799
1
1658-1730
1
1693
1
1763-1765
1
1775-1783
1
1776
1
more ...