Era
1945-
11
Civil War, 1861-1865
10
Colonial period, ca. 1600-1775
10
19th century
9
20th century
8
Revolution, 1775-1783
7
18th century
5
To 1775
5
1648-1789
3
1933-1945
3
1973-
3
War of 1812
3
1714-1738
2
1775-1865
2
1788-1879
2
1809-1817
2
1809-1865
2
1812-1815
2
1819-1892
2
1914-
2
1918-1945
2
1945-1980
2
1979-
2
1980-
2
Constitutional period, 1789-1809
2
New Plymouth, 1620-1691
2
Occupation, 1939-1945
2
Revolutionary period, 1775-1783
2
ca. 1600-1775
2
(1650-1719)
1
1473-1543
1
1600-1699
1
1656-1680
1
1727-1760
1
1732-1799
1
1760-1789
1
1762-1878
1
1781-1869
1
1783-1850
1
1783-1865
1
1784-1850
1
1789-1815
1
1789-1900
1
17th century
1
1801-1815
1
1812, Guerre de
1
1816
1
1822-1893
1
1823-1897
1
1837-1901
1
more ...