King Philip had decided to invade Britain. There where many reasons for this, but the final straw for King Philip was when the British navy's commanders destroyed many Spanish ships.
The Spanish created a huge fleet of ships they called the Spanish Armada. They sailed in a crescent shape so that the English would find it hard to attack them.
The Cornish spot the Armada and signal to the navy. The English chase Spanish but does not harm any Spanish Ships. When the Spanish arrive in Calais (The place they decided to meet with the soldiers they where picking up) but no soldiers arrive.