imperium

an empire established by Augustus in 27 BC and divided in AD 395 into the Western Roman Empire and the eastern or Byzantine Empire; at its peak lands in Europe and Africa and Asia were ruled by ancient Rome

an ancient empire to the west of Israel; centered on the Nile River and ruled by a Pharaoh; figured in many events described in the Old Testament

an empire in southern Asia created by Cyrus the Great in the 6th century BC and destroyed by Alexander the Great in the 4th century BC

a former empire in eastern Europe and northern Asia created in the 14th century with Moscow as the capital; powerful in the 17th and 18th centuries under Peter the Great and Catherine the Great when Saint Petersburg was the capital; overthrown by revolution in 1917

a Turkish sultanate of southwestern Asia and northeastern Africa and southeastern Europe; created by the Ottoman Turks in the 13th century and lasted until the end of World War I; although initially small it expanded until it superseded the Byzantine Empire