 After the second French invasion (1808–1813), the whole “Marca” was united to the Kingdom of Italy, San Severino becoming the capital of the Canton Department of Musone.After the Napoleonic era San Severino returned under the Holy See and in 1816 it was declared Governor District of San Ginesio, Sarnano and Tolentino by Pope Pius VII.In 1831 and 1849 a lot of its inhabitants participated in the rebellions; this culminated with the arrival of Piedmontese troops in 1860, ceasing the Papal rule in San Severino forever.