Jan 8 The Great Frost: in London the Thames river froze so thickly bonfires were lit on it May 11 Fifty-four members of the Knights Templar are burned at the stake in France for being heretics May 20 Shoes were made for both right & left feet Jun 9 Duccio's Maestà Altarpiece, a seminal artwork of the early Italian Renaissance, is unveiled and installed in the Siena Cathedral in Siena, Italy Aug 31 German king Heinrich VII makes his son Johan king of Bohemia 1309 Events in History by Year 1311