Tuesday, 13th April, Pope Martin I, also known as Martin the Confessor, was the bishop of Rome from 21 July 649 to his death. He was Pope Theodore I’s ambassador to Constantinople succeeded him as pope. He was the only pope during the Eastern Roman domination of the papacy whose election was not approved by an imperial mandate from Constantinople. For his opposition to the heresy of saying Jesus had only one nature, he was arrested by Emperor Constans II, taken to Constantinople, and then sent into exile. He died in 655. He is considered a saint and martyr by the Catholic Church and the Eastern Orthodox Church.