The siege of Gaeta was a siege during the War of Polish Succession fought at Gaeta, Italy. The Habsburgs at Gaeta withstood four months of siege from the Bourbon armies under the Duke of Parma.

Charles III was King of Spain from 1759 until his death in 1788. He was also Duke of Parma and Piacenza as Charles I, King of Naples as Charles VII and King of Sicily as Charles III. He was the fourth