Significant Events from 476 CE to 1700 CE By unicorn173 Period: 790 to 1066 Vikings Period: Oct 25, 1154 to Jul 6, 1189 King Henry ii of England's Reign Period: 1206 to 1368 Mongol Expansion Period: 1347 to 1351 The Black Death // Plague Period: 1618 to 1648 Thirty Years War A religious war that went for thirty years. Fought in Germany.