Wigstan was the twenty-third king of Mercia, possibly during 840. Mercia, sometimes spelled Mierce, was one of the kingdoms of the Anglo-Saxon heptarchy, in what is now England, in the region of the Midlands, with its heart in the valley of the River Trent and its tributary streams. ... Events After the death of Louis the Pious, his sons Lothar, Charles the Bald and Louis the German fight over the division of the empire, with Lothair succeding as Emperor. ...
Mercia was one of the kingdoms of the Anglo-Saxon Heptarchy, in what is now England, in the region of the Midlands.
The earliest known king of Mercia was named Creoda, said to be the son of Ici.
The Danes drove Burgred, the last king of Mercia from his kingdom in 874 and in 886, the eastern part of the kingdom became part of the Danelaw, while the western portion was occupied by Wessex.