Why were there three popes at the same time? – Joëlle Rollo-Koster Learn On Youtube TED-Ed — December 5, 2023 · Comments off Source Link animation avignon catholic church catholic history catholics christendom council of constance education france history Joëlle Rollo-Koster Kaspar Jancis king phillip iv papacy papal schism papal schism of 1378 pope pope boniface viii pope clement v pope clement vii pope martin v pope urban vi religion religious decree religious history rome TED Ted Education TED-Ed Teded three popes two popes unam sanctam western christendom western schism