alliance
... that an alliance was formed in the 8th century between the Abbasid Caliphate and the Frankish Carolingian Empire against the Byzantine Empire and the Muslim Umayyads of Spain?
... that an <b id="mwDwI"><a class="mw-redirect" href="./Abbasid-Carolingian_alliance" id="mwDwM" rel="mw:WikiLink" title="Abbasid-Carolingian alliance">alliance</a></b> was formed in the <a href="./8th_century" id="mwDwQ" rel="mw:WikiLink" title="8th century">8th century</a> between the <a href="./Abbasid_Caliphate" id="mwDwU" rel="mw:WikiLink" title="Abbasid Caliphate">Abbasid Caliphate</a> and the Frankish <a href="./Carolingian_Empire" id="mwDwY" rel="mw:WikiLink" title="Carolingian Empire">Carolingian Empire</a> against the <a href="./Byzantine_Empire" id="mwDwc" rel="mw:WikiLink" title="Byzantine Empire">Byzantine Empire</a> and the Muslim <a href="./Umayyad_Caliphate" id="mwDwg" rel="mw:WikiLink" title="Umayyad Caliphate">Umayyads</a> of <a href="./Spain" id="mwDwk" rel="mw:WikiLink" title="Spain">Spain</a>?