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Pope Paul III (Latin: Paulus III), born Alessandro Farnese, was Pope from 13 October 1534 to his death in 1549.
He came to the papal throne in an era following the sack of Rome in 1527 and rife with uncertainties in the Catholic Church following the Protestant Reformation. During his pontificate, and in the spirit of the Counter-Reformation, new Catholic religious orders and societies, such as the Jesuits, the Barnabites, and the Congregation of the Oratory, attracted a popular following.
He convened the Council of Trent in 1545. He was a significant patron of the arts and employed nepotism to advance the power and fortunes of his family. It is to Pope Paul III that Nicolaus Copernicus dedicated De revolutionibus orbium coelestium (On the Revolutions of the Celestial Spheres). | 
