Overview:A look at legendary crusaders the Knights Templar. Here, the focus is on knight Geoffroi de Champagne, who participated in and chronicled the Fourth Crusade. The Medieval period of history was extremely violent. Lands were regularly invaded, leading to long wars, frequent battles, and siege situations. This was the period of the Norman conquest and the Battle of Hastings. Warfare strategy, tactics, and weapons technology were transforming to adapt to these new battle situations.