Age of Exploration and Discovery By kdoodler Jul 11, 1405 Zheng He's first voyage May 29, 1453 Ottomans capture Constantinople Jan 1, 1488 Bartolomew Diaz rounds the Cape of Good Hope Aug 3, 1492 Columbus's first voyage Jun 7, 1494 Treaty of Tordesillas signed Jan 1, 1511 First enslaved Africans arrive in Americas Aug 13, 1521 Cortez conquers the Aztecs Aug 29, 1533 Pizarro conquers Incas May 13, 1607 Jamestown founded May 28, 1754 French and Indian War Starts Jul 4, 1776 U.S. Declaration of Independence Jul 24, 1793 Britain seeks trade opening with China