Vladislav was a nephew and successor of duke Borna. He reigned, as duke of Dalmatian Croatia, from 821 until 835. The Croatian people trace their origins to Slavic peoples which moved into the territory of the former Roman provinces Pannonia and Dalmatia between the 7th and 8th centuries. ... Events Tang Mu Zong becomes emperor of China Births Deaths February 11 - Benedict of Aniane, monastic founder and saint December 18 - Theodulf, Bishop of Orléans Coenwulf, king of Mercia Categories: 821 ... Events Ragnar Lodbrok rises to power (approximate date) The celebration of All Saints is made an obligation throughout the Frankish Empire and fixed on November 1. ...

Vladislav acknowledged suzerainty of Frankish Kingdom of Italy, under emperor Lothair I. For other uses, see Franks (disambiguation). ... Lothair I Lothair I (795 – March 2, 855), Holy Roman Emperor, was the eldest son of the emperor Louis the Pious and his wife Irmengarde (Ermengarde), daughter of Ingramm (Ingerman), the Duke of Hesbaye. ...