Divided Italian City-states

In this alternate history, the Kingdom of Sardinia never existed, and Savoy continued to exist as a separate nation. Italy was therefore never unified and continue to exist as separate nations, which are the following, the Republic of Genoa, the Duchy of Savoy, the Republic of Florence and Livorno, the Papal States, the Republic of Parma, the Republic of Venice, the Kingdom of Naples, the Kingdom of Sicily, the Kingdom of Corsica, the Kingdom of Sardinia, and the County of Nice.