 The southern half of the peninsula was administered by Joachim Murat, Napoleon's brother-in-law, who was crowned as King of Naples.The 1814 Congress of Vienna restored the situation of the late 18th century, but the ideals of the French Revolution could not be eradicated, and soon re-surfaced during the political upheavals that characterised the first part of the 19th century.The birth of the Kingdom of Italy was the result of efforts by Italian nationalists and monarchists loyal to the House of Savoy to establish a united kingdom encompassing the entire Italian Peninsula.