 During the following centuries, the area of Solarolo changed several dominations, mainly by the families Manfredi, Borgia, Gonzaga, Este.During the 17th century, Solarolo became part of the Papal States and, during the 19th century, of the newborn Kingdom of Italy.On 2 September 1944, Nazi soldiers first tortured and then killed nine inhabitants of Solarolo, randomly chosen, as reprisal for the partisan activity of the area (eccidio di Ponte Felisio).