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Pedro Arias de Ávila (1440 – 6 March 1531; often Pedro Arias Dávila) was a Spanish soldier and colonial administrator. He led the first great Spanish expedition to the mainland of the New World. There, he served as governor of Panama (1514–1526) and Nicaragua (1527–1531), and founded Panama City (1519). He died in 1531 aged around 90 or 91. Wikipedia