For almost five centuries, the German city of Frankfurt was a city-state within two major Germanic states:*The Holy Roman Empire as the Free Imperial City of Frankfurt () (until 1806)*The German Confederation as the Free City of Frankfurt ("Freie Stadt Frankfurt") (1815–66)Frankfurt was a major city of the Holy Roman Empire, being the seat of imperial elections since 885 and the city for imperial coronations from 1562 (previously in Free Imperial City of Aachen) until 1792.