The autonomy of the village of Barcellona was accepted by the Sicilian Parliament, recognized by the King on 15 May 1815 and ratified in Wien 28 February 1823, by King Ferdinand I of the Two Sicilies. The administrative union decreed 5 January 1835, comes into force on 1 June 1836 at the behest of King Ferdinand II of the Two Sicilies, deciding that the new municipality formed by the merger of the two ancient districts bore the full name of Barcellona Pozzo di Gotto. Are discarded by the King all the advanced options of names derived from the word "Longano", receiving the unanimous appreciation, on the other hand the initial goodwill will turn into hatred and resentment towards the monarch as a result of criminal actions undertaken throughout the province, especially in Milazzo and Messina, which earned him the nickname of "King Bomb". The city soon established covered a certain role with significant contributions to the definitive expulsion of the House of Bourbon from the province and the whole of Sicily and increasingly effective input in all the events included in the process of unification of constituting Kingdom of Italy.