20th century 1,498 19th century 598 Civil War, 1861-1865 308 1900-1999 186 18th century 134 Revolution, 1775-1783 128 20e siècle 114 21st century 105 1933-1945 84 17th century 77 Colonial period, ca. 1600-1775 71 16th century 60 1809-1865 57 1800-1899 54 1945- 53 19e siècle 49 1564-1616 41 To 1500 41 1945-1989 40 1900 - 1999 37 Revolution, 1789-1799 31 To 146 B.C. 31 1929 27 1989- 27 20th Century 27 Elizabeth, 1558-1603 27 Victoria, 1837-1901 27 1929-1968 26 1861-1865 25 1918-1945 25 1783-1865 23 1800-1999 23 1732-1799 22 Siglo XX 21 World War, 1939-1945 21 1775-1783 20 To 1775 20 1775-1865 19 1815-1861 19 German occupation, 1940-1945 19 18e siècle 18 1918-1933 18 1919-1933 18 Civil War, 1994 18 Revolution, 1917-1921 18 To 1848 18 War of 1812 18 1743-1826 16 1800 - 1899 16 1991- 16 Civil War, 1936-1939 16 1953-1961 15 2000-2099 15 1877-1964 14 1889-1945 14 1926- 14 Early modern, 1500-1700 14 French and Indian War, 1755-1763 14 Tudors, 1485-1603 14 1789-1900 13 1865- 13 1937- 13 1946- 13 1961-1969 13 Bombardment, 1945 13 Medieval, 500-1500 13 To 70 A.D. 13 1769-1821 12 1770-1838 12 1774-1809 12 1789-1815 12 1830-1886 12 1959- 12 Empire, 30 B.C.-476 A.D. 12 Geschichte 12 To 1863 12 To 1865 12 To 332 B.C. 12 1533-1603 11 1778-1865 11 1783-1809 11 1898-1951 11 1917-1963 11 1918- 11 1945-1953 11 1951- 11 1952- 11 1961-1963 11 Republic, 265-30 B.C. 11 To 640 A.D. 11 1819-1901 10 1863-1877 10 1865-1898 10 1865-1918 10 1865-1950 10 1882-1941 10 1882-1945 10 1913- 10 1924- 10 1939-1945 10