The Hundred Years' War is one of the central conflicts of the Medieval era and many animated historical documentaries were made about it, and although the battles like Crecy, Poitiers, Agincourt, Orleans, Formigny and Castillon are very interesting, the reasons the war happened are often overlooked. In this video, we will talk about the scandalous Tour de Nesle affair and how it influenced the dynastic situation in France and England.