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
Spanish Armada full-scale attack, the English fleet broke into four groups – Martin Frobisher of "Aid" now also being given command over a squadron – with Drake coming in with a large force from the south. At the critical moment Medina Sidonia sent reinforcements south and ordered the Armada back to open sea to avoid The Owers shoals. There were no other secure harbours further east along England's south coast, so the Armada was compelled to make for Calais, without being able to wait for word of Parma's army. On 27 July, the Armada anchored off Calais in a tightly-packed defensive crescent