What did Magellan do that affected the people in Europe?

Ferdinand Magellan is best known for being an explorer for Portugal, and later Spain, who discovered the Strait of Magellan while leading the first expedition to successfully circumnavigate the globe. While crossing the Magellan Strait, the explorer and his crew observed two galaxies visible to the naked eye from the southern hemisphere, now known as the Magellanic Clouds

Explanation:

Nevertheless, European geographic knowledge was expanded immeasurably by Magellan's expedition. He found not only a massive ocean, hitherto unknown to Europeans, but he also discovered that the earth was much larger than previously thought.

Explanation:

Ferdinand Magellan led the first expedition to circumnavigate the globe and became the first European to cross the Pacific Ocean.

the alfred thayer mahan award for literary achievement is awarded each year by the navy league of the united states. the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation. presented since 1957, "this award for literary achievement is awarded to a u.s. navy officer, u.s. marine corps officer, enlisted service member, or civilian who has made a notable literary contribution that has advanced the knowledge of the importance of sea power in the united states."[1]