States and territories established in the 940s

right|300px|thumb|Italy in 1000 Common Era|CE.

Italian Marquisiate

Glywysing was, from the sub-Roman period to the Early Middle Ages, a petty kingdom in south-east Wales. Its people were descended from the Iron Age tribe of the Silures, and frequently in union with Gwent, merging to form Morgannwg.

10th-century vassal state of Volga Bulgaria

rebel state that seceded from & then replaced the Min Kingdom during China's 10th-century 5 Dynasties & 10 Kingdoms Period