Alderney late 300s, at above the island's only natural harbour. The etymology of the island's name is obscure. It is known in Latin as "Riduna" but as with the names of all the Channel Islands in the Roman period there is a degree of confusion. "Riduna" may be the original name of Tatihou, while Alderney is conjectured to be identified with "Sarnia". "Alderney"/"Aurigny" is variously supposed to be a Germanic or Celtic name. It may be a corruption of "Adreni" or "Alrene", which is probably derived from an Old Norse word meaning "island near the coast". Alternatively it may derive from
French immigration to Cuba the island; the crop's yield of ten million pounds that year would be quadrupled in 1810. The beginning of the Peninsular War (1807–1814) between France and Spain caused the Captaincy General of the island to expel Franco-Haitian and French residents, and only those French who were naturalized Spanish citizens and had assimilated into the Spanish culture were allowed to remain. The exact number of French persons expelled from Santiago de Cuba is unknown, most of them moved to the southern United States, especially Louisiana. In 1814, when peace between France and Spain was restored, the French immigrants who had left