Council of Pisa
A church council was held at Pisa in 1409 under the auspices of the cardinals to try solving the dispute. At the fifteenth session, 5 June 1409, the Council of Pisa deposed the two pontiffs as schismatical, heretical, perjured, and scandalous But added to the problem by electing another incumbent, Alexander V. He reigned from June 26, 1409, to his death in 1410