Adda was the third known ruler of the Anglo-Saxon Kingdom of Bernicia which he ruled from 560 to 568. Wikipedia does not yet have an article with this exact name. ... Bernicia (Brythonic, Brynaich or Bryneich) was a kingdom of the Angles in northern England during the 6th and 7th centuries AD. It later merged with the kingdom of Deira to form the kingdom of Northumbria. ... Events Ceawlin of Wessex becomes King of Wessex (traditional date). ... Events April 1 - King Alboin leads the Lombards into Italy; refugees fleeing from them go on to found Venice. ...

Adda was one of several sons born to Ida, the first ruler of Bernicia,a s was his successor Æthelric. He led the Bernicians to victory against Peredur and Gwrgi of Ebrauc. Ebrauc ceased to exist as a British kingdom after the battle, Deira taking over its territory. Nothing else is known for certain about Adda's life or reign. The earliest authorities differ widely on the order and the regnal years of the Bernician kings between the death of Ida and the beginning of Æthelfrith's rule in 592/593. Ida (died 559) was a ruler (probably the founder) of the English kingdom of Bernicia between 547 and 559. ... Æthelric was a king of the Hwicce and son of Oshere; it is possible that he reigned jointly with Æthelheard, Æthelweard, and Æthelberht. ... Peredur Arueu Dur, King of Ebrauc (c. ... Æthelfrith (d. ... Events After the great slaughter at Woddesbeorg, Ceawlin is deposed as both king of Wessex and Bretwalda. ... Events Empress Suiko ascends to the throne of Japan. ...