Final answer:
Ferdinand Magellan is credited for leading the first circumnavigation of the world.
Step-by-step explanation:
Ferdinand Magellan is credited for leading the first circumnavigation of the world. In 1519, he left Spain with a fleet of five ships and a crew of 270 men. Although Magellan died during the voyage, his fleet completed the journey, making them the first to sail around the globe. Only one ship and eighteen men survived the grueling trip, but their achievement marked a significant milestone in world exploration.