Byzantines lose Anatolia to Turks.
Loss foreshadows eventual end of Byzantine Empire.
Turks disrupt pilgrim traffic. I Crusade 1097-1098 achieves all major objectives in Holy Land Area not strategic to Moslems, could have been held indefinitely with a little skill. Initial gains lost through diplomatic bungling. Well-known in literature. Involved Richard I of England, Phillip II of France, Frederick I of Holy Roman Empire, Saladin on Moslem side.