Though perhaps better-remembered today for his late-reign madness and the slight issue of losing the Thirteen Colonies, King George III was also one of the world's greatest collectors of military maps. Preserved in excellent condition within Windsor Castle, these highly-detailed maps cover a range of conflicts stretching several centuries. From the decisive naval battle at Lepanto to Bonnie Prince Charlie's last stand at Culloden, join Dan Snow as he is shown through some of the most remarkable records of these conflicts in existence.