14th Century Continuation 1 1346: First mention of firearms in documents of Venice. 1347: Handguns traceable in England. Ca. 1350: First artillery with barrels cast from bronze, are used to shoot round chiseled rocks. Ca. 1350: Making of the largest known mortar from forged iron with a caliber of 882 mm with the name: “Der grosse Pumphart’ von Steyer”. 1356: Use of firearms in Nuremberg.. 1358: Handguns in Dijon/Burgund. 1364: Handguns used in Perugia, Italy.