The military history of Romania deals with conflicts spreading over a period of about 2500 years across the territory of modern Romania, the Balkan Peninsula and Eastern Europe and the role of the Romanian military in conflicts and peacekeeping worldwide. For 1000 years, numerous migrating people including the Goths, Huns, Gepids, Avars, Slavs, Bulgars, Magyars, Cumans, Greeks, Romans, and Mongols overran the territory of modern Romania.