 The Almogavars of the Crown of Aragon (originally from Aragonese, Catalan and Valencian origins) are the best known because of their deeds and international protection, both in the Mediterranean expansion, as well as the Catalan Company, an Almogavar unit of great fame.They formed a numerous host, as Peter III of Aragon (1276-1285) led 15,000 of them in his expedition to Tunisia and Sicily, and they also fought in the Principality of Catalonia during the crusade against the Crown of Aragon, under the leadership of Roger of Lauria, participating in the battle of the pass of the Panizas (Coll de Panissars, in Catalan).The Catalan, Aragonese, and later, Valencian Almogavars played an important role in the advance of the Crown of Aragon against the Islamic States, participating moreover in countless raids, in the battle of Las Navas de Tolosa (1212), in the crusade against Majorca (1229-1232) and in the conquest of Valencia (1233-1245).