Occultism. Belief in supernatural. Astrology, alchemy, spiritualism, theosophy.

Ockeghem, Johannes. c1430-96. Innovative Franco-Flemish polyphonist composer. Masses, motets.

O’Connor, Feargus. 1796-1855. Irish/English Chartist.

O’Connor, Rory. c1116-98. Last high king of Ireland 1166-75. Submitted to Henry II in Treaty of Windsor.

Octavia. -11BC. Octavian’s sister. Antony’s wife 40-30BC before Cleopatra.

Octavia. 42-62. Claudius’ daughter, Nero’s wife. Executed by Nero.

Octavian. 63BC-14AD. 27BC Declared himself Emperor Augustus.

October Revolution. 1917. Bolsheviks, Lenin and Trotsky overthrow Kerensky’s Socialist provisional government in Russian Revolution.

October War. 1973. Egypt, Syria attack Israel on Yom Kippur. Repulsed. UN creates buffer zone.

Octobrists. 1905-17. Russian party seeking enactment of October Manifesto.

Oder-Neisse Line. 1945- Polish-German border established by Potsdam Conference.

Odets, Clifford. 1906-63. US playwright of social protest. Waiting for Lefty 1935. Golden Boy 1937.

Odin. King of Scandinavian gods who holds court in Valhalla.

Odoacer. c435-93. German who deposed Romulus Augustus 476. Assassinated by Theodoric.

O’Donnell, Leopoldo. 1809-67. Spanish general with Isabella II vs Carlists.

OECD. Organisation for Economic Cooperation and Development. 1961. For expansion of world trade. OEEC + US, Canada, Australia, NZ.

Oecolampadius, Johannes. 1482-1531. German Reformation theologian. Drafted Confession of Basel 1531.

OEEC. Organization for European Economic Cooperation. 1948-61. Western European trade organization. OECD.

Oehlenschläger, Adam. 1779-1850. Danish Romantic poet.

Oersted, Christian. 1777-1851. Danish physicist: discovered electromagnetism 1819.

Offa. 755-796. King of Mercia 757-. Founded St. Alban’s abbey. Dee Dyke vs Welsh 785. Introduced coinage. Treaty with Charlemagne. Began unification of England.

Offenbach, Jacques. 1819-80. German/French light operatic composer: Tales of Hoffman. Orpheus 1859.

Og. Giant biblical king of Bashan.

Ogadai. 1185-1241. Mongol ruler 1229-41. Conquered China to Poland, Hungary.

Oglethorpe, James. 1696-1785. English. Penal reform. Founded Georgia 1733 as haven for bankrupts.

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