He was locally regarded as a saint, but he was not canonized.
He is the Christian emperor directly inspired by angels; his sword Joyeuse contained the point of the lance used in the Passion; his standard was Romaine, the banner of St Peter, which, as the oriflamme of Saint Denis, was later to be borne in battle before the kings of France; and in 1164 Charles was canonized at the desire of the emperor Frederick I.
She was canonized in 1391 by Pope Boniface IX., and her feast is celebrated on the 9th of October.
Miracles were worked at his tomb, and in 1164 he was canonized and was declared the patron saint of Norway, whence his fame spread throughout Scandinavia and even to England, where churches are dedicated to him.
He favoured the Jesuits, especially in their conflict with the Jansenists, forbade in 1661 the translation of the Roman Missal into French, and in 1665 canonized Francis of Sales.