The Persians besiege Alexandria; the defence of the city is led by Nicetas (cousin of emperor Heraclius). The Byzantine resistance is undermined by a blockade of the harbor; the usual grain supplies are cut off from Egypt to Constantinople.
November 8 – Pope Adeodatus I dies in Rome after a 3-year reign, in which he has reversed the policies of his predecessors, Boniface IV and Gregory I, who favored monks over the secular clergy. Adeodatus will not be replaced until next year.
^Golden 1992, p. 135. According to Chinese historical sources, the marriage was never carried out because of interference by the Eastern Göktürk Illig Qaghan, whose territory sat between his territory and Tang territory, and who felt threatened by the proposed marriage. Zizhi Tongjian, vol. 192.