Au cours de cet appel, le moineprédicateur Pierre d'Amiens, dit Pierre l'Ermite, lance ce cri de « Deus vult » qui est repris par la foule présente. Cet événement favorisera la mobilisation de la première croisade,.
↑(en) Kate Arnold, «Pop and the 'Palästinalied': a crusade song revived at the turn of a new millennium», Crusades, vol.22, no1, , p.115–126 (DOI10.1080/14765276.2023.2189386):
«Deus vult (‘God wills it’ – the supposed acclamation following Urban II’s speech at Clermont and the battle cry of crusading armies as described in the Gesta Francorum) is a ubiquitous meme, encapsulating a perceived ‘clash of civilisations’ (discussed further below). The song’s popularity with the Christian right and alt-right communities can be linked to the growth of the internet and the ensuing ease with which content can be disseminated, but it should also be set against the background of political and sociocultural developments since the 1990s.»
↑(en) Paul B. Sturtevant, «What politicians mean when they call the border wall 'medieval'», The Washington Post, (lire en ligne, consulté le ):
«In the same vein, far-right Christian nationalists and Dominionists employ Crusader imagery. But only some of those who use Crusader imagery do so to express extreme Christian ideology.»
