Separation of Roquetes from Tortosa Historical milestone · Roquetes, Baix Ebre, Tarragona Image of Roquetes, not of the place itself. A royal decree of Isabel II separated the town from Tortosa on 22 March 1850 and the first town council was constituted on 14 April following. In 1880 Alfonso XII granted it the title of city, with the irrigation canal already in operation. 1850 Photo: BegonyaFerré (CC BY-SA 4.0) What to see and do in Roquetes