The <a href="https://en.wikipedia.org/wiki/Council_of_Pisa" id="mwSQ" rel="mw:WikiLink" title="Council of Pisa">Council of Pisa</a> convenes, in an attempt to heal the <a href="https://en.wikipedia.org/wiki/Western_Schism" id="mwSg" rel="mw:WikiLink" title="Western Schism">Western Schism</a>.