First ascent of <a href="https://en.wikipedia.org/wiki/Aletschhorn" id="mwlA" rel="mw:WikiLink" title="Aletschhorn">Aletschhorn</a>, second summit of the <a href="https://en.wikipedia.org/wiki/Bernese_Alps" id="mwlQ" rel="mw:WikiLink" title="Bernese Alps">Bernese Alps</a>.