His successor was Henry of Luxembourg, Dante’s “divine and triumphant Henry,” who, in 1311, was crowned at Milan with the Iron Crown of Lombardy, Il Sacro Chiodo , as it is sometimes called, from the plate of iron with which the crown is lined, being, according to tradition, made from a nail of the Cross. In 1312, he was again crowned with the Golden Crown at Rome, and died in the following year. “But the end of his career drew on,” says Milman, History of Latin Christianity , VI 520. “He had now advanced, at the head of an army which his enemies dared not meet in the field, towards Siena. He rode still, seemingly in full vigor and activity. But the fatal air of Rome had smitten his strength. A carbuncle had formed under his knee; injudicious remedies inflamed his vitiated blood. He died at Buonconvento, in the midst of his awestruck army, on the festival of St.