 The first written document mentioning the city as the "portus de capite selcis" dates to 1084.From 1395 to 1598 it was ruled by the House of Este, and subsequently was part of the Papal States until the unification of Italy in 1861.Conselice borders with the municipalities of Alfonsine, Argenta (FE), Imola (BO), Lugo and Massa Lombarda.