launched a crusade
... that in 1114, a combined fleet spearheaded by the Republic of Pisa launched a crusade against the Muslim Balearic Islands?
... that in 1114, a combined fleet spearheaded by the <a href="./Republic_of_Pisa" id="mwB_U" rel="mw:WikiLink" title="Republic of Pisa">Republic of Pisa</a> <b id="mwB_Y"><a href="./1113–1115_Balearic_Islands_expedition" id="mwB_c" rel="mw:WikiLink" title="1113–1115 Balearic Islands expedition">launched a crusade</a></b> against the <a class="mw-redirect" href="./Muslim" id="mwB_g" rel="mw:WikiLink" title="Muslim">Muslim</a> <a href="./Balearic_Islands" id="mwB_k" rel="mw:WikiLink" title="Balearic Islands">Balearic Islands</a>?