The period of peace that followed this treaty ended when Charles V declared war on Edward the Black Prince in 1369.
A signatory of this treaty was convinced to negotiate after a hailstorm on "Black Monday" devastated his army. Louis I, the Duke of Anjou, one of the forty hostages ceded as a result of this treaty, escaped captivity three years after it was signed. This treaty was finalized at Calais five months after it was first negotiated. The franc was first minted after a signatory of this treaty had to pay three million gold crowns as ransom money. John II, a signatory of this treaty, was previously taken prisoner at the Battle of (*) Poitiers. The period of peace that followed this treaty ended when Charles V declared war on Edward the Black Prince in 1369. For 10 points, name this 1360 treaty that led to a nine-year break in the Hundred Years' War.
A signatory of this treaty was convinced to negotiate after a hailstorm on "Black Monday" devastated his army.
Treaty of Brétigny [until "Calais" is read, accept: Treaty of Calais]