Statistics for occurrence #1 of “Canossa” in chapter 3 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 10:

... of the clergy, asserted his exclusive right to the investiture of bishops throughout Christendom; and, compelling the emperor, Henry the Fourth, in his years of youth and weakness, to do penance at Canossa , extorted the acknowledgment of all the pretensions of the Roman see as lord over conscience and over kings. A little more than a hundred years after this hasty submissiveness of an inexperience...
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Canossa (Italy) 2 2 0 0 0 user votes

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