Anglo-Saxon period, 449-1066 43 Allied occupation, 1945-1952 29 Augustus, 30 B.C.-14 A.D. 21 Allied intervention, 1918-1920 11 Athenian supremacy, 479-431 B.C. 11 American occupation, 1915-1934 6 Anthropocene 6 Angevin period, 1154-1216 5 Attempted coup, 1990 5 Axis occupation, 1941-1945 5 Alexander II, 1855-1881 4 Allied occupation, 1945-1955 4 American Invasion, 1989 4 Afghan War, 2001- 3 Alexander I, 1801-1825 3 Alfonso XIII, 1886-1931 3 Alfred, 871-899 3 Allied occupation, 1943-1947 3 American Invasion, 1983 3 Anne, 1702-1714 3 Arab rebellion, 1936-1939 3 Axis occupation, 1939-1944 3 Ahmed III, 1703-1730 2 Alekseĭ Mikhaĭlovich, 1645-1676 2 Alexius I Comnenus, 1081-1118 2 Alfonso X, 1252-1284 2 Allied occupation, 1945-1948 2 American intervention, 1994-1995 2 Anjou dynasty, 1268-1442 2 Antonines, 96-192 2 Aragonese and Spanish rule, 1297-1708 2 Attempted coup, 1991 2 Attempted coup, 2016 2 Autonomy and independence movements 2 Azuchi-Momoyama period, 1568-1603 2 Abdul Hamid I, 1774-1789 1 Abdul Mejid, 1839-1861 1 Afghan War (2001-) 1 Afonso VI, 1656-1683 1 Africa 1 Age of Tyrants, 560-510 B.C. 1 Age of Tyrants, 7th-6th centuries 1 Alexander II, 1214-1249 1 Alfonso V, 1416-1458 1 Alfonso XII, 1875-1885 1 Allied occupation, 1918-1930 1 Allied occupation, 1945-1954 1 American occupation, 1906-1909 1 American occupation, 1916-1924 1 Anglo German Blockade, 1902 1 Angola 1 Antoninus Pius, 138-161 1 Arab Revolt, 1916-1918 1 Arab riots, 1929 1 Arab-Israeli conflict 1 Archaean 1 Athelstan, 925-940 1 Atrocities 1 Attempted Mongol Invasions, 1274-1281 1 Attempted coup, 2002 1 Aurelian, 270-275 1