Maritime history of England Instructions were issued in 1653 and Sailing Instructions in 1673. During the Hundred Years' War (1337–1453) the French fleet was initially stronger than that of the English, but the former was almost completely destroyed at the Battle of Sluys in 1340. Many other sea battles were fought in this period. The Spanish Armada was the Spanish fleet that sailed against England under the command of Alonso de Guzmán El Bueno, 7th Duke of Medina Sidonia in 1588. It was sent by King Philip II of Spain to take the Duke of Parma's army from the Spanish Netherlands to a landing
Philip II of Spain I, Duke of Guise signing on behalf of the Catholic League; consequently Philip supplied a considerable annual grant to the League over the following decade to maintain the civil war in France, with the hope of destroying the French Calvinists. A devout Catholic, Philip saw himself as the defender of Catholic Europe against the Ottoman Empire and the Protestant Reformation. He sent a large armada to conquer Protestant England in 1588, with the strategic aim of overthrowing Elizabeth I of England and the establishment of Protestantism in England. He hoped to stop both English interference in the Spanish Netherlands and