20th century 2,512 View Records 19th century 619 View Records 20e siècle 326 View Records 1945- 299 View Records 1950- 250 View Records Civil War, 1861-1865 196 View Records 18th century 184 View Records 1564-1616 180 View Records 1945-1989 151 View Records Revolution, 1775-1783 136 View Records Revolution, 1971 135 View Records 19e siècle 98 View Records Colonial period, ca. 1600-1775 91 View Records 1933-1945 90 View Records 17th century 86 View Records 1980- 79 View Records 1917-1963 78 View Records 1946- 74 View Records 1960- 66 View Records 1947- 64 View Records 1809-1865 63 View Records 1934- 63 View Records Economics-Statistics 63 View Records 1981-1989 62 View Records 1971- 57 View Records 1975 55 View Records 1924- 54 View Records 16th century 53 View Records 1918-1945 51 View Records 1951- 51 View Records 1856-1939 49 View Records Early modern, 1500-1700 49 View Records 1948- 48 View Records 1920-1975 47 View Records Siglo XX 47 View Records 1926- 46 View Records 1960-1980 45 View Records 1989- 44 View Records 1943- 43 View Records 1812-1870 42 View Records 1931- 42 View Records 1970- 42 View Records 1993-2001 42 View Records 1981-2001 41 View Records 1732-1799 40 View Records 1937- 39 View Records 1928- 37 View Records 1935- 37 View Records Revolution, 1917-1921 36 View Records 1870- 35 View Records 1882-1945 34 View Records 1913-1994 34 View Records 1932- 34 View Records 1959- 34 View Records 1981- 34 View Records 1875-1961 33 View Records 1981-1993 33 View Records 21st century 33 View Records 1874-1965 32 View Records 18e siècle 32 View Records 1918- 32 View Records 1923- 32 View Records 1989-1993 32 View Records 1933- 31 View Records 1940- 31 View Records Revolution, 1789-1799 31 View Records 1865-1918 30 View Records Early modern and Elizabethan, 1500-1600 30 View Records Elizabeth, 1558-1603 30 View Records 1884-1962 29 View Records 1917- 29 View Records 1925- 29 View Records 1930- 29 View Records 1939- 29 View Records 1942- 29 View Records 1971-1981 29 View Records 1927- 28 View Records 1944- 28 View Records To 146 B.C. 28 View Records 1706-1790 27 View Records 17e siècle 27 View Records 1859-1930 27 View Records 1899-1961 27 View Records 1941- 27 View Records To 332 B.C. 27 View Records 1783-1865 25 View Records 1877-1945 25 View Records 1889-1945 25 View Records To 1775 25 View Records 1882-1941 24 View Records 1929 24 View Records 1945 24 View Records 1945-1970 24 View Records 1979- 24 View Records To 1500 24 View Records 1743-1826 23 View Records 1985-1991 23 View Records 1533-1603 22 View Records 1835-1910 22 View Records 1865-1898 22 View Records