Claim: In the 18th century, Francesco Nullo arrived in Kraków from Italy in April 1863. where he later became an independent hero in both Italy and Poland.
Evidence: Nullo with a selected cadre of a dozen or so volunteers reached Kraków in April 1863. He supported independence movements in Italy and Poland. In Poland Nullo is considered a national hero. In Italy, one of the Sauro class destroyers was named after him.