Era
19th century
14
1809-1865
11
Civil War, 1861-1865
11
Revolution, 1775-1783
7
1858-1919
6
20th century
5
1888-1953
3
War of 1812
3
1732-1799
2
1752-1818
2
1804-1864
2
1808-1875
2
1822-1903
2
1864-1934
2
1890-1969
2
Colonial period, ca. 1600-1775
2
1743-1787
1
1757-1804
1
1757-1824
1
1770-1838
1
1773-1838
1
1774-1809
1
1782-1862
1
1801-1852
1
1809-1849
1
1812-1815
1
1818-1895
1
1821-1912
1
1822-1913
1
1838-1914
1
1844-1909
1
1870-1957
1
1872-1906
1
1872-1954
1
1874-1964
1
1875-1950
1
1875-1955
1
1882-1945
1
1884-1962
1
1884-1972
1
18th century
1
1908-1973
1
1924-
1
1927-1993
1
1929-1968
1
1969-
1
Roman period, 55 B.C.-449 A.D.
1
approximately 1500-1542
1