to the hot-iron ordeal, but he was stupefied when after the third day their hands were found to be unhurt.[944] In 1143, Henry I., Archbishop of Mainz, ordered its employment, and administered it himself, in a controversy between the Abbey of Gerode and the Counts of Hirschberg. In the special charter issued to the abbey attesting the decision of the trial, it is recorded that the hand of the ecclesiastical champion was not only uninjured by the fiery metal, but was positively benefited by it.[945] About the same period, Centulla IV. of Béarn caused it to be employed in a dispute with the Bishop of Lescar concerning the fine paid for the murder of a priest, the ecclesiastic, as usual, being victorious.[946] The reward of the church for its faith in adopting these pagan customs was seen in the well-known case by which Bishop Poppo of Slesvick, in 962, succeeded in convincing and converting the Pagan Danes even as, three thousand years earlier, according to the Persian historians, Zoroaster convinced King Gushtashp of the truth of his revelation from Hormazd,[947] and, within seven centuries, Adurabad converted the heretical Mazdeans. The worthy missionary, dining with King Harold Blaatand, denounced, with more zeal than discretion, the indigenous deities as lying devils. The king dared him to prove his faith in his God, and, on his assenting, caused next morning an immense piece of iron to be duly heated, which the undaunted Poppo grasped and carried around to the satisfaction of the royal court, displaying his hand unscathed by the glowing mass; or, as a variant of the legend asserts, he drew on an iron gauntlet reaching to the elbow and heated to redness. The miracle was sufficient, and Denmark thenceforth becomes an integral portion of Christendom.[948] Somewhat similar, except in its results, was a case in which a priest involved in a theological dispute with a Jew, and unable to overcome him in argument, offered to prove the divinity of Christ by carrying a burning brand in his naked hand. Invoking the name of Jesus, the faithful ecclesiastic drew the blazing wood from the fire and slowly carried it for a considerable distance, but though he triumphantly exhibited his hand unhurt, his obdurate antagonist refused to be converted, alleging that the miracle was the result of magic.[949] In Norway, the sanctity of St. Olaf the King was attested in the same way, when he thoughtlessly whittled a twig on Sunday, and his attention was respectfully called by one of his courtiers to this violation of the sabbatical rules. By way of penance he collected the chips, placed them on the palm of one hand, and set fire to them, but after they had been reduced to ashes, to the surprise of the bystanders, his hand was found unharmed.[950]