Abstract
This work is a collaboration between José Sánchez and Fer nando Urbina. José Sdnchez is the author of the first part, which analizes the relation between catholicism and society in the « short period» of modern history (Centuries XIX and XX) -conflictive period, during which Spain enters modernism, from the fall of the old regime up to the civil war and the transition to democracy-, Fernando Urbina is responsible for the second part which traces an outline on the « long period» of popular religiousness. Both have collaborated in the reasoning and resolution of the subject; presenting the general diachronic frame of historic time, in which the most synchronic and present arguments of the other articles within this piece, must be situated.