Which leaders claimed the English throne in 1066?

Context: In 1066, several rival claimants to the English throne emerged. Among them were Harold Godwinson, Harald Hardrada and Duke William II of Normandy. Harald and William both invaded separately in 1066. Godwinson successfully repelled the invasion by Hardrada, but ultimately lost the throne of England in the Norman conquest of England.

Answer: Harold Godwinson, Harald Hardrada, and Duke William II of Normandy all claimed the English throne in 1066.