775 deaths

emperor of Byzantium

Abū Jaʿfar ʿAbd Allāh ibn Muḥammad al-Manṣūr (; ‎; 714 – 6 October 775) usually known simply as by his laqab al-Manṣūr () was the second Abbasid caliph, reigning from 754 to 775 succeeding his brother al-Saffah (). He founded the 'Round City' of Madinat al-Salam, which was to become the core of imperial Baghdad.

Japanese scholar (695-775)

Irish or Scottish Christian missionary and martyr

King of the Picts

daughter of emperor Shomu; empress consort of Kōnin (717-775)

Prince of Armenia

ishkhan of Armenia in 748–753, killed at the Battle of Bagrevand in 775

Chinese Buddhist monk

Chinese imperial prince; 18th son of Tang Xuanzong