Original: He abdicated in favor of his son, Ferdinando IV, on 21 July 1859, but Ferdinando IV was never recognized in Tuscany, and was deposed by the provisional government on 16 August.
Simplified: He abdicated in favor of his son, Ferdinando IV, on 21 July 1859, but Ferdinando IV was never recognized in Tuscany, and was deposed by the government on 16 August.