520s deaths

Mazdak (, , also known as Mazdak Bamdadan; died c. 524 or 528) was an Iranian mobad (priest) and social reformer who rose to prominence during the reign of the Sasanian emperor Kavadh I. He instituted a religious and social movement known as Mazdakism, which preached a dualistic cosmology and social welfare programs, including the communal ownership of property and, controversially, women (interpreted by some scholars as a reaction against the harem system).

5th-century Greek philosopher

Byzantine mathematician

6th-century Byzantine empress

Eastern Roman imperial princess (462–527/528)

Al-Shanfarā (; died c. 525 CE) was a semi-legendary pre-Islamic poet tentatively associated with Ṭāif, and the supposed author of the celebrated poem Lāmiyyāt ‘al-Arab. He enjoys a status as a figure of an archetypal outlaw antihero (''su'luk''), critiquing the hypocrisies of his society from his position as an outsider.

Chinese mathematician

Bishop of Trier