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Events on Sunday 1 May 1555 1
1501 – 1555Pope Marcellus II (1501-1555)Died 1 May 1555, aged 53Marcello Cervini, elected pope on 9 April 1555 with reformist intentions, died only twenty-two days into his pontificate, one of the shortest in papal history. His death triggered the conclave that elected Paul IV.