Sci. data Sci. data Dating historical droughts from religious ceremonies, the international pro pluvia rogation database Dominguez-Castro F Alcoforado MJ Bravo-Paredes N Fernandez-Fernandez MI Fragoso M Gallego MC Herrera RG Garnier E Garza-Merodio G El Kenawy AM Latorre B Noguera I Pena-Angulo D Reig-Gracia F Silva LP Vaquero JM Serrano SVM 2021 research-article