Uthman, caliph of the Rashidun Caliphate (born 579)

Uthman ibn Affan was the third caliph of the Rashidun Caliphate, ruling from 644 until his assassination in 656. Uthman, a second cousin, son-in-law, and notable companion of the Islamic Prophet Muhammad, played a major role in early Islamic history. During his reign as caliph, he was known for ordering the official compilation of the standardized version of the Quran, known as Uthman's Quran, that is still being used today.

June 17 is the 168th day of the year in the Gregorian calendar; 197 days remain until the end of the year.