The Battle of Cerignola is fought. It is noted as the first battle in history won by small arms fire using gunpowder.

The Battle of Cerignola was fought on 28 April 1503, between Spanish and French armies, in Cerignola, Apulia (some 60 km from Bari).

Spanish forces, under Gonzalo Fernández de Córdoba, formed by 6,300 men, including 2,000 landsknechte, with more than 1,000 arquebusiers, and 20 cannons, defeated the French who had 9,000 men; mainly heavy gendarme cavalry and Swiss mercenary pikemen, with about 40 cannons, and led by Louis d'Armagnac, Duke of Nemours, who was killed. It was one of the first European battles won by gunpowder weapons, as the assault by Swiss pikemen and French cavalry was shattered by the fire of Spanish arquebusiers behind a ditch.