In which battle did William the Conqueror take part?

• The Battle of Bosworth Field
• The Battle of Bannockburn
• The Battle of Agincourt
• The Battle of Hastings
  Explanation:

  "In 1066, an invasion led by William, the Duke of Normandy (in what is now northern France), defeated Harold, the Saxon king of England, at the Battle of Hastings. Harold was killed in the battle. William became king of England and is known as William the Conqueror."