20th century 17
19th century 8
Civil War, 1861-1865 7
1809-1865 5
1900-1999 5
1945- 4
1564-1616 3
1797-1851 3
Since 1900 3
16th century 2
1800-1899 2
1890-1976 2
1897-1962 2
1924- 2
1956- 2
21st century 2
Revolution, 1775-1783 2
-579 1
1473-1543 1
1500-1599 1
1696-1782 1
17th century 1
1807-1875 1
1810-1889 1
1812-1870 1
1821-1881 1
1832-1898 1
1852-1934 1
1854-1900 1
1861-1865 1
1880-1968 1
1884-1962 1
1885-1972 1
1894-1978 1
1898-1963 1
1903-1990 1
1912-2016 1
1917-1963 1
1918-2004 1
1919-1933 1
1921-2013 1
1923-2010 1
1925-1995 1
1930-2014 1
1933-1945 1
1935-1977 1
1940-1980 1
1945-1953 1
1945-1989 1
1953-1961 1
1955- 1
1957- 1
1958- 1
1960-1980 1
1961-1969 1
1966- 1
1970- 1
1980- 1
1989- 1
2001-2009 1
Colonial period, ca. 1600-1775 1
Confederation, 1783-1789 1
Revolution, 1835-1836 1
To 1500 1
To 332 B.C. 1
To 640 1
To 640 A.D. 1
Tudors, 1485-1603 1
War of 1812 1