Pope Celestine V (; 1215 – 19 May 1296), born
Pietro Angelerio (according to some sources
Angelario,
Angelieri,
Angelliero, or
Angeleri), also known as
Pietro da Morrone and
Peter of Morrone, was
Pope for five months from 5 July to 13 December 1294, when he resigned. He was also a
monk and hermit who founded the order of the
Celestines.