13th century Mail mesh is made fine enough for gloves of chain mail begin to be used. Mail protection for horses becomes common. Torsion siege engines used. 1200 Thin plates begin to be worn with chain mail. 1290-1325 Plate armor begins to be used on the extremities and joints.
Shield become smaller.
The empirical recipe for modern gunpowder is determined. Soon after, the Swiss begin using an 18 foot pike and develop the pike square tactical formation. 1327 Earliest known gunpowder weapon described by Walter de Millimete. It was three feet long with a two inch bore diameter. 1357-1453 English longbow achieves great victories in the Hundred Years' War.