Northern Qi Wu Cheng Di succeeds Northern Qi Xiao Zhao Di as ruler of the Chinese Northern Qi Dynasty
Battle of Cúl Drebene between the Northern and Southern Ui Neill .
According to tradition, a pitched battle erupts after a dispute between Saint Columba and Saint Finnian over authorship of a psalter. As penance for these deaths, Columba was ordered to make the same number of new converts as had been killed.
