Italian irredentism in Corsica Italian irredentism in Corsica Italian irredentism in Corsica was a cultural and historical movement promoted by Italians and by people from Corsica who identified themselves as part of Italy rather than France, and promoted the Italian annexation of the island. Corsica was part of the Republic of Genoa for centuries until 1768, when the Republic ceded the island to France, one year before the birth of Napoleon Bonaparte in the capital city of Ajaccio. Under France, the use of Corsican (a regional tongue which is closely related to Italian) has gradually declined in favour of the standard French language. Giuseppe
Corsica French from the island and established an Anglo-Corsican Kingdom. Following Spain's entry into the war, the British decided to withdraw from Corsica in 1796. Corsica returned to French rule. Despite being the birthplace of the Emperor, who had supported Paoli in his youth, the island was neglected by Napoleon's government. In 1814, near the end of the Napoleonic Wars, Corsica was briefly occupied again by British troops. The Treaty of Bastia gave the British crown sovereignty over the island, but it was later repudiated by Lord Castlereagh who insisted that the island should be returned to a restored French monarchy.