George III ruled through an extraordinary period of revolutionary change, political upheaval, gigantic war and scientific, industrial and technological revolution. However, he is now most famous for being the king who lost America and for his mental illness. These two events are undoubtedly important parts of his reign but is George III perhaps the most underrated monarch in British History? To find out Dan spoke to historian Andrew Roberts biographer of Churchill, Napoleon and now George III. They examined the American Declaration of Independence to see whether George really was as tyrannical as it claims, what the reality of George's mental illness was and why he deserves to be remembered as one of Britain's great kings.