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.

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

Ohm, Georg. 1787-1854. German physicist: Laws of electric current, 1826.

Oil. Ancient language of N. France. Occitan.

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.

Okhrana. 1881-1917. Czar’s secret police. Cheka.

Okinawa, Battle. 1945. US defeat Japanese garrison.

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

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

Olaf V. 1903-91 King of Norway 1957-. Commanded army vs Germany in 1944, then fled to England.

Old Believers. 17C- Russian sect vs Nikon’s reforms.

Old Catholics. 1870. Catholic sect vs papal infallibility. Joined Church of England 1931.

Old English. 5-11C. Teutonic language of England.

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

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

Oldenburg. 1180 Independent. 1667 Denmark. 1773 Russia. 1777 Independent. 1834 Prussia. 1853 Zollverein. 1871 German Empire. 1919 Republic. 1945 West Germany.

Oleg. -c912. Varangian prince of Kiev, founded Rus state.

Olier, Jean-Jacques. 1608-57. French priest: founded company of St-Sulpice.

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