The 6th Cannes Film Festival was held from 15 to 29 April 1953. The Grand Prix of the Festival went to The Wages of Fear by Henri-Georges Clouzot.
The festival opened with Horizons sans fin by Jean Dréville. Wikipedia
Dates: Apr 15, 1953 – Apr 29, 1953
Location: Cannes
Awards: Grand Prize of the Festival; (The Wages of Fear)
Opening film: Horizons sans fin