 The knights, as did all of Europe at the time, rode on the left side  of the road. This gave them the advantage of having their sword and  lance arm in the direct path of a possible oncoming adversary. In  all of the jousts in this film the knights approach on the right  side of the road, a custom not adopted until Napoleon enforced the  new law in the early 1800s. The UK still drives on the left,  carrying on the tradition. This also is the tradition of saluting 