For 10 points, name this English king whose reign overlapped with the American Revolution.
This monarch was known for collecting books and works of art in creating the King's Library. This man's predecessor was the last British monarch to personally lead troops into battle at the Battle of Dettingen. This monarch dismissed the Fox-North Coalition due to his hatred of Charles James Fox, and he appointed Fox's rival, Pitt the Younger, as Prime Minister. Some historians believe that (*) porphyria caused his mental illness. For 10 points, name this English king whose reign overlapped with the American Revolution.
This monarch was known for collecting books and works of art in creating the King's Library.
{George III} of Great Britain [or {George} William Frederick; or {Georg} Wilhelm Friedrich;