became the first pope
... that Pope Stephen II in 752 became the first pope to cross the Alps?
... that <a href="./Pope_Stephen_II" id="mwCBU" rel="mw:WikiLink" title="Pope Stephen II">Pope Stephen II</a> in 752 <b id="mwCBY"><a href="./Frankish_Papacy" id="mwCBc" rel="mw:WikiLink" title="Frankish Papacy">became the first pope</a></b> to cross the Alps?