What was Magellans major findings?

Ferdinand Magellan's major findings included the first successful navigation of the Strait of Magellan, the passage that connects the Atlantic and Pacific Oceans. His expedition provided evidence that the Earth is round, as it circumnavigated the globe, demonstrating the vastness of the Pacific Ocean. Additionally, Magellan's voyage revealed new islands, including the Philippines, and established important maritime routes for future explorers and traders.