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