Edward the confessor died without an heir in 1066. 3 men wanted to have the throne; Hardrada, William and Godwinson. The witan decided to give the crown to Godwinson, but William and Hadrada were not happy
Since Hardrada believed that the crown was meant to be his, he invaded nothern England with a fleet of 300 ships.
However, Godwinson killed Hardrada in the battle of Stamford Bridge
On the other hand, WIlliam claimed that he should have the throne
Edward promised to crown me as the king! Besides, I'm related to Queen Emma! Godwinson also pledged to support me once i get the throne!
William was declared as the Kind of England on Chirstmas day, 1066.
Godwinson was mortally wounded by an arrow that shot him in the eye
William's army were nto equipped with powerful weapons, the french easily defeated them.