This document provides an overview of the Age of Exploration from 1400 to 1750. It discusses key explorers like Prince Henry the Navigator, Bartholomew Diaz, Vasco da Gama, Christopher Columbus, Ferdinand Magellan, and their voyages which expanded geographical and cultural knowledge of the world. It also describes the technological advances in navigation that enabled these long voyages, such as the development of the caravel ship design, the astrolabe, quadrant, compass, and other instruments. The voyages resulted in increased wealth and power for European nations.