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.

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.

Ogmios. Celtic god = Hercules.

OGPU. 1923. Soviet secret police. 1934 NKVD. KGB.

O’Higgins, Bernardo. 1778-1842. Chilean revolutionary, First president. 1818-23. Deposed.

Oisin. (Ossian). 3C. Gaelic warrior bard. Legends of his father Finn MacCool.

Ojibwa. (Chippewa). North American Indians near Great Lakes. Supported French vs British in 7 Years War, British vs Americans in Revolution.

Okubo, Toshimichi. 1830-78. Japanese statesman. Meiji Restoration. Westernized Japan.

Olaf I. c963-1000. King of Norway 995-. Began conversion to Christianity.

Olaf II. c995-1030. 1015-28. Converted Norway. Patron Saint. First National legislation.

Old Age Pensions. 1909 Britain, 1935 US.

Old Ironsides. 1797. US frigate Constitution. Tripolitan War. War of 1812.

Old Testament. 10C BC. Hebrew portion of Bible. Apocrypha. Latin Vulgate.

Oldenbarneveldt, Jan van. 1547-1619. Dutch statesman vs Spanish occupation. Negotiated Treaty of Utrecht.

Olive Branch Petition. 1775. Moderate Americans attempt to avoid war. Ignored by George III.

Olmecs. c1150-800BC. Mexican Gulf coast civilization.

Olmütz, Treaty. 1850. Restored German Confederation under Austria.

Omar. 581-644. Second Moslem caliph. Invaded Syria, Egypt, Persia. Established taxation.

Oneida Community. 19C US Perfectionist religious commune founded by Noyes....Oneida silver co.

Ontological Argument. God exists as the most perfect human conception.

Op art. 20C style incorporating optical illusion of movement. Vasarely. Riley.

OPEC. Organization of Petroleum Exporting Countries. 1961- International cartel sets prices by controlling supply. Created oil shortage 1973.

Opera Buffa. = Comic Opera. Pergolesi.

Opium Wars. 1839-42 Hong Kong ceded to Britain. 1856-60. French, British force China to open trade, legalize opium. Demonstrated European weapon superiority. Nanking Treaty.

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