<a href="https://en.wikipedia.org/wiki/Battle_of_Monte_Porzio" id="mwIQ" rel="mw:WikiLink" title="Battle of Monte Porzio">Battle of Monte Porzio</a>: A <a href="https://en.wikipedia.org/wiki/Commune_of_Rome" id="mwIg" rel="mw:WikiLink" title="Commune of Rome">Roman</a> army supporting <a href="https://en.wikipedia.org/wiki/Pope_Alexander_III" id="mwIw" rel="mw:WikiLink" title="Pope Alexander III">Pope Alexander III</a> is defeated by <a href="https://en.wikipedia.org/wiki/Christian_I_(archbishop_of_Mainz)" id="mwJA" rel="mw:WikiLink" title="Christian I (archbishop of Mainz)">Christian of Buch</a> and <a href="https://en.wikipedia.org/wiki/Rainald_of_Dassel" id="mwJQ" rel="mw:WikiLink" title="Rainald of Dassel">Rainald of Dassel</a>.