Born in 865 AD
- Aug 28 Rhazes [Abū Bakr Muḥammad ibn Zakariyyāʾ al-Rāzī], Persian physician, born in Ray, Persia (d. 925)
Who Died in 865 AD
- Feb 3 Ansgar, German Catholic archbishop and Saint, dies at 63
- Nov 11 Petronas the Patrician, Byzantine General
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V