Medioevo By facebooker_1025593980838843 Feb 23, 1453 Fall of Constantinople Feb 23, 1492 Christopher Columbus discovers America Feb 23, 1497 Vasco da Gama circumnavigates Africa to arrive in the East Feb 23, 1517 Martin Luther begins the Protestant Reformation Feb 23, 1543 Copernicus invents the heliocentric theory Feb 23, 1776 The United States declares their indipendence Mar 4, 1789 French revolution Feb 23, 2016 Period: Feb 23 1760 to Feb 23 1830 Industrial Revolution in England