 On June 9, 1279, Pope Nicholas threatened King Alfonso with severe penalties for not cooperating with the peace process.Pope Nicholas III (Orsini) died on August 22, 1280, and Cardinal Bianchi participated in the Conclave which was held in Viterbo, beginning in September, 1280.Nicholas III was succeeded by the French cardinal Simon de Brion on February 22, 1281, who took the name Martin IV.