William Went to England a few years before the invasion to meet his cousin Edward the Confessor. (Who is King of England at this time) And was promised heir of England. But when Edward died on his death bed he granted Harold Godwine to be king of England. William became outraged and marched with 7,000 troops to Hastings, Where they fought an all day battle, Later Harold Godwine was shot in the head whith an arrow and lost the battle when William the Conqueror marched to England. He Became king.