In 1212, the Order of the Knights of St. John, also known as the Knights Hospitaller, received papal recognition, solidifying their role as a military and religious order. Based in Jerusalem, their mission was to provide care for the sick and defend Christian territories. This event marked a significant development in the intersection of religion and military service during the Crusades.

The Knights of St. John inspired various literary works that explored themes of chivalry, sacrifice, and faith. Poets and chroniclers often depicted their valor and commitment to the Christian cause, influencing the portrayal of knights in medieval literature. The order's legacy can be seen in later romanticized depictions of knightly virtues in poetry and prose.