The first evidences of the originary built-up area of Grignano are documented by some papers of 938, related to a donation by the marquess Almerico and his wife Franca, in which they left all the possessions in the territory of Adria, the latters contained the village of Gragnano (the actual Grignano), together with other small agglomerates like Arquà Polesine, Borsea and Crespino, still present in the Polesine.
Crespino is the author of Strom Thurmond’s America (Hill and Wang, 2012), a political biography of the longtime U.S. Senator from South Carolina.