<span>Three men simultaneously claimed to be the true pope. and
According to google "</span><span>riven by politics rather than any theological disagreement, the </span>schism was ended by the Council of Constance,<span>The </span>Western Schism<span> or </span>Papal Schism<span> was a split within the Catholic Church which lasted from </span>1378<span> to 1417. </span>" This lasted 4 years