William the Conqueror was crowned William I on Christmas day, 1066.
Yes he was, he won the battle of hastings against Harold, who got shot by an arrow in the eye, so therefore England needed a new king. William was the king of England for 21 years.
On 14 October 1066. A legend is that King Harold II died in the battle with an arrow in one eye.
William the conqueror was a good leader he changed the law, money and authority.
In 1066. 28th September, 1066