States and territories disestablished in the 820s

alliance of various Eurasian nomads – 6th to 9th centuries

Early medieval kingdom in England (c.455-871)

former kingdom on the island of Britain (527–825 CE)

Carantania, also known as Carentania (, , in Old Slavic ''''), was a Slavic principality that emerged in the second half of the 7th century, in the territory of present-day southern Austria and north-eastern Slovenia. Since the middle of the 8th century, it was allied with Bavaria against the Avars, and consequently became a vassal state of the Frankish Empire. In the same time, Christianisation of Carantanian Slavs was initiated, mainly through missionary activities of the Archdiocese of Salzburg. By 828, internal autonomy of the principality was abolished, and the entire Carantanian territor

Italian polity (568–828)

Turkic Central Asian Kingdom