Christian conquest of Turtuixa Historical milestone · Tortosa, Baix Ebre, Tarragona Image of Tortosa, not of the place itself. Ramon Berenguer IV took the Muslim city of Turtuixa on 31 December 1148, with Genoese support and that of the military orders, and incorporated the lower course of the Ebro into the Crown of Aragon. The conquest opened the Christian resettlement of the Terres de l'Ebre. 1148 Photo: Josep Salvany i Blanch (Public domain) What to see and do in Tortosa