Papa Gregorio XII

Si Papa Gregorio XII ( – 18 October 1417), namundag: Angelo Corraro, Corario," or Correr, iyo an pamayo kan Simbahan Katoliko poon 30 November 1406 sagkod 4 July 1415. Nagreynar durante kan Western Schism, kinontra siya ni Avignon claimant Benedicto XIII asin kan Pisan claimants Alexander V asin Juan XXIII. Gregory XII wanted to unify the Church asin boluntaryong nagbutas sa pwesto kaidtong 1415 tanganing tapuson an schism.

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