The French scholar Peter Abelard is found guilty of heresy.

Peter Abelard was a medieval French scholastic philosopher, leading logician, theologian, teacher, musician, composer, and poet.

Heresy in Christianity denotes the formal denial or doubt of a core doctrine of the Christian faith as defined by one or more of the Christian churches.

June 3 is the 154th day of the year in the Gregorian calendar; 211 days remain until the end of the year.