Important Dates to Commit to Memory By vinniguo.29 Period: Jan 1, 1348 to Jan 1, 1351 Black Death Period: Jan 1, 1415 to Jan 1, 1417 Council of Constance burns Hus and ends Great Schism Jan 1, 1453 Fall of Constantinople; end of Hundred Years' War Jan 1, 1455 Invention of printing press