 Complete the following phrase:  Medieval fleets, in France as elsewhere, were almost entirely composed of merchant ships enlisted into naval service in time of war, but the early beginnings of the French naval history goes back to that era. The first battle of the French Navy was the battle of Arnemuiden 23 September 1338, where it defeated the English Navy. The battle of Arnemuiden was also the first naval battle using artillery. It was later defeated by an Anglo-Flemish fleet at the 