The king returned to Naples soon afterwards, and ordered the execution of several hundred French
collaborators. This stopped only when the French successes forced him to agree to a treaty which included amnesty for members of the French party. When the
War of the Third Coalition broke out between France and the
Austrian Empire in 1805, Ferdinand signed a treaty of neutrality with the former. A few days later, Ferdinand allied himself with Austria and allowed an
Anglo-Russian force to land at Naples. of Ferdinand IV of
Naples, dated 1805 The French victory at the
Battle of Austerlitz on 2 December enabled Napoleon to launch an
invasion of the Kingdom of Naples. Ferdinand fled to
Palermo on 23 January 1806, followed soon after by his wife and son, and on 14 February 1806 the French again entered Naples. Napoleon declared that the
Bourbon dynasty had forfeited the crown, and proclaimed his brother
Joseph King of Naples and Sicily. But Ferdinand continued to reign over the latter kingdom (becoming the first King of Sicily in centuries to actually reside there) under British protection. Parliamentary institutions of a feudal type had long existed on the island, and
Lord William Bentinck, the British minister, insisted on a reform of the constitution on English and French lines. The king indeed practically
abdicated his power, appointing his son Francis as regent, and the queen, at Bentinck's insistence, was
exiled to Austria, where she died in 1814. ==Restoration==