 Retrial of Joan of Arc

The Retrial of Joan of Arc, also known as the "nullification trial" or "rehabilitation trial", was a posthumous retrial of Joan of Arc authorized by Pope Callixtus III at the request of Inquisitor-General Jean Bréhal and Joan's mother Isabelle Romée.The purpose of the retrial was to investigate whether the trial of condemnation and its verdict had been handled justly and according to ecclesiastical law.