This document provides information on several key explorers from the Age of Exploration, including: - Bartolomeu Dias, who was the first to round the Cape of Good Hope for Portugal in 1488. - Christopher Columbus, who sailed for Spain in 1492 and was the first European to discover the Americas, opening the region to further exploration. - Ferdinand Magellan, who led the first expedition to circumnavigate the globe from 1519-1522 while sailing for Spain, though he was killed partway through the journey. It summarizes their accomplishments and impacts in expanding European colonial empires and trade networks in the 15th-16th centuries.