of Lindisfarne, accompanied by 30 disciples, sails for Ireland, settling down at Inishbofin and founds a monastery. Births Al-Walid I, Muslim caliph (d. 715) Gyōki, Japanese Buddhist priest (d. 749) Justinian II, Eastern Roman Emperor (d. 711) Deaths September 15 – Constans II, Byzantine emperor (b. 630) Brahmagupta, Indian mathematician and astronomer (b. 597) Judoc, Breton noble and Catholic saint (b. 600) Saborios, Byzantine general (approximate date) Wandregisel, Frankish monk and abbot Zhiyan, Chinese (Buddhist) patriarch (b. 602) References Sources