Anglo-Saxon period, 449-1066 51
Allied occupation, 1945-1952 38
Augustus, 30 B.C.-14 A.D. 25
Athenian supremacy, 479-431 B.C. 13
Alexander I, 1801-1825 11
Anthropocene 10
American Invasion, 1983 9
Allied intervention, 1918-1920 8
American Invasion, 1989 7
Anne, 1702-1714 7
Attempted coup, 1991 7
Alexander II, 1855-1881 6
American occupation, 1915-1934 6
Axis occupation, 1941-1945 6
Attempted coup, 1990 5
Allied occupation, 1945-1948 4
Afghan War, 2001- 3
Afonso VI, 1656-1683 3
Alfred, 871-899 3
Allied occupation, 1943-1947 3
American intervention, 1994-1995 3
Angevin period, 1154-1216 3
Arab rebellion, 1936-1939 3
Abdul Mejid, 1839-1861 2
Alekseĭ Mikhaĭlovich, 1645-1676 2
Alexius I Comnenus, 1081-1118 2
Alfonso X, 1252-1284 2
Allied occupation, 1945-1955 2
American occupation, 1916-1924 2
Anjou dynasty, 1268-1442 2
Antonines, 96-192 2
Aragonese and Spanish rule, 1297-1708 2
Attempted coup, 2016 2
Aurelian, 270-275 2
Autonomy and independence movements 2
Axis occupation, 1939-1944 2
Azuchi-Momoyama period, 1568-1603 2
Abdul Hamid I, 1774-1789 1
Africa 1
Age of Tyrants, 560-510 B.C. 1
Age of Tyrants, 7th-6th centuries 1
Ahmed III, 1703-1730 1
Akō Vendetta, 1703 1
Alexander II, 1214-1249 1
Alexander III, 1881-1894 1
Alfonso V, 1416-1458 1
Alfonso XIII, 1886-1931 1
Allied occupation, 1918-1930 1
Allied occupation, 1945-1954 1
American occupation, 1914 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