 In 1820, Spaniards successfully revolted over disputes about their Constitution, which influenced the development of a similar movement in Italy.Inspired by the Spaniards (who, in 1812, had created their constitution), a regiment in the army of the Kingdom of Two Sicilies, commanded by Guglielmo Pepe, a "Carbonaro" (member of the secret republican organization), mutinied, conquering the peninsular part of Two Sicilies.The king, Ferdinand I, agreed to enact a new constitution.