World History Final Project By Punchy_250 Feb 28, 1347 Bubonic Plague Bubonic Plague Jan 1, 1436 Johann Gutenberg invents the printing press The Printing Press Oct 12, 1492 Columbus Discover America Columbus Discovered America Jan 1, 1493 The Columbian Exchange The Columbian Exchange Oct 31, 1517 Martin Luther 95 Theses 95 Theses Jan 1, 1543 Scientific Revolution/ Copernicus Scientific Revolution