Troops were collected, but whilst conducting a campaign against the Romans, Otto died at Paterno near Viterbo on the 23rd of January 1002, and was buried in the cathedral at Aix-la-Chapelle.
The cardinal therefore obtained a bull from Pope Paul II., permitting him to recall his original donation, and in a letter dated from the baths of Viterbo, May 13th, 1468, he made over his library to the republic. The principal treasures of the collection, including splendid Byzantine book-covers, the priceless codices of Homer, the Grimani Breviary, an early Dante, &c., are exhibited under cases in the Sala Bessarione in the Zecca or mint where the library has been installed.
On the 11th of July 1276, but died at Viterbo on the 18th of August, without having been ordained even to the priesthood.
Had done before; and by the treaty of Viterbo of 1267 he secured from the last Latin emperor of the East, Baldwin II., a right of eventual succession.