 During the Migration Period the region was invaded by Quadi, Marcomanni, Sarmatians, Alemanni, Visigoths, Svevi, Alani, Unni, Lombards, Franks and Hungarians.The town of Rosà was officially born in 1533 during the rule of the Republic of Venice.After the Napoleonic invasion the whole region was sold to Austria-Hungary (with the neighboring Lombardy to form the Kingdom of Lombardy–Venetia) within which remained until 1866 when with the Third Italian War of Independence it became part of Italy.