 Sebastian Cabot declared in a handwritten Latin text in his original 1545 map that St. John's earned its name when he and his father, the Venetian explorer John Cabot, in the service of England, became the first Europeans to sail into the harbour, on the morning of 24 June 1494 (against British and French historians stating 1497), the feast day of Saint John the Baptist.However, the locations of Cabot's landfalls are disputed.A series of expeditions to St. John's by Portuguese from the Azores took place in the early 16th century, and by 1540 French, Spanish and Portuguese ships crossed the Atlantic annually to fish the waters off the Avalon Peninsula.