The image appears to be a screenshot of a Microsoft Word document containing a historical illustration. Please describe the illustration.

The illustration depicts two warriors on horseback engaged in combat or a joust. The warrior on the left is on a white horse, wearing a long, flowing robe and a helmet, and wielding a spear. The warrior on the right is on a dark horse, wearing armor and a helmet, and also holding a spear. In the background, there appears to be a large assembly of soldiers or onlookers.