On January 13, 1128, Pope Honorius II grants a papal sanction to the military order known as the Knights Templar, declaring it to be an army of God.
Led by the Frenchman Hughes de Payens, the Knights Templar organization was founded in 1118. Its self-imposed mission was to protect Christian pilgrims on their way to and from the Holy Land during the Crusades, the series of military expeditions aimed at defeating Muslims in Palestine. For a while, the Templars had only nine members, mostly due to their rigid rules. In addition to having noble birth, the knights were required to take strict vows of poverty, obedience and chastity. In 1127, new promotional efforts convinced many more noblemen to join the order, gradually increasing its size and influence.
WATCH: Buried: Knights Templar and the Holy Grail on HISTORY Vault
By the time the Crusades ended unsuccessfully in the early 14th century, the order had grown extremely wealthy, provoking the jealousy of both religious and secular powers. In 1307, King Philip IV of France and Pope Clement V combined to take down the Knights Templar, arresting the grand master, Jacques de Molay, on charges of heresy, sacrilege and Satanism. Under torture, Molay and other leading Templars confessed and were eventually burned at the stake. Clement dissolved the Templars in 1312.
The modern-day Catholic Church has admitted that the persecution of the Knights Templar was unjustified and claimed that Pope Clement was pressured by secular rulers to dissolve the order. Over the centuries, myths and legends about the Templars have grown, including the belief that they may have discovered holy relics at Temple Mount, including the Holy Grail, the Ark of the Covenant or parts of the cross from Christ’s crucifixion. The imagined secrets of the Templars have inspired various books and movies, including the blockbuster novel and film The Da Vinci Code.