The document summarizes major European expeditions between 1450-1650 that led to the discovery and conquest of new lands. It describes how Spain and Portugal sponsored oceanic expeditions driven by demands for spices and other oriental goods. Explorers like Columbus, Magellan, and others sought new trade routes and lands, resulting in European contact with and colonization of the Americas and Asia. Magellan's expedition was the first to circumnavigate the globe, proving the Earth was round. This opened the world to further European conquest and colonization in the centuries that followed.