Orwell, George. 1903-50. English satirical novelist and social critic: Animal Farm 1945, 1984 1948.

Osama bin Laden. 1957-. Wahabi Saudi Arabian construction magnate turned terrorist. World Trade Center. Taliban. al-Qaeda.

Osborne, John. 1929-94. ‘Angry’ English playwright. Entertainer 1951. Look Back in Anger 1956.

Oscar I. 1799-1859. King of Norway and Sweden 1844-. Liberal reforms.

Osceola. c1804-38. Seminole leader. Arrested at truce talks.

Osiris. Vegetation god who introduced civilization to Egypt. God of underworld.

Osler, William. 1849-1919. Canadian/British physician. Blood platelets 1873. Principles and Practice of Medicine 1892.

Osman I. 1258-1326. Turkish founder of Ottoman Empire 1299. Conquered Byzantium.

Ossianic Ballads. 11-18C Irish based on 3C themes of Finn MacCool. Oisin.

Ostracism. Athenian 10 year exile for disrupting stability.

Ostrogoths. Germanic peoples. 3C Ukraine kingdom. 406 kingdom in Italy. 370 conquered by Huns. 493 conquered Italy. 555 dispersed by Justinian. Goths.

Oswald. St. -641. King 633-, reunited Northumbria.

Oswald, Lee Harvey. 1939-1963. Kennedy assassin; killed by Ruby.

Oswy. -670. King of Bernicia 641-, Northumbria 655-. United most of S. England.

Otakar II. -1278. King of Bohemia 1252-. Killed at Dürnkrut opposing HRE Rudolf I.

Ottawa Conference. 1932. British Empire creates Imperial Preference during Depression.

Otto, Nikolaus. 1832-91. Built 4 Cycle engine 1876.

Otto I. 1815-67. German king of Greece 1832-62. Selected by London Conference. Deposed. Wittelsbach.

Otto I. The Great. 912-73. King of Germany, 936-. Founded Holy Roman Empire, 962. Deposed Pope John XII.

Ottoman Empire. 1300-1922. Turkish empire in Balkans, Near East, N Africa. Conquered Byzantine Empire. 1402 Destroyed by Tamerlane. 1413 Rebuilt by Mehmed. 1453 Conquered Constantinople. Eastern Question. Mehmed II. Süleiman the Magnificent. Turkey.

Oudenaarde, Battle. 1708. Churchill, Prince Eugène defeat French.

Oughtred, Wm. 1574-1660. English. Slide rule c1630 (circular), 1633 (rectilinear).

Outer Space Treaty. 1967. International cooperation in space. Controlled military uses. 70+ signatories.

Overlord, Operation. = Normandy Invasion.

Ovid. 43BC-17 AD. Roman poet: Art of Love. Tristia. Metamorphoses.

3017 more results ...