19th century 6 20th century 5 18th century 2 Colonial period, ca. 1600-1775 2 1775-1865 1 1792-1863 1 17th century 1 1802-1875 1 1808-1892 1 1809-1857 1 1814-1891 1 1875- 1 1892-1971 1 18t 1 1914- 1 1929 1 1933-1945 1 1952- 1 1964-1975 1 1968- 1 1975- 1 1980- 1 20th cent 1 Civil War, 1861-1865 1 History 1 Revolution, 1775-1783 1 To 1964 1