Louis IX of France, also known as Saint Louis, was born on April 25, 1214. He became king at the age of 12 after the death of his father, Louis VIII. Louis IX is known for his strong sense of justice and commitment to the welfare of his people. He led two Crusades and worked to improve the legal system in France, promoting fairness and the rule of law. He was canonized as a saint by the Catholic Church in 1297, recognized for his piety and dedication to his faith. Louis IX is the patron saint of France and is often depicted in art wearing a crown and holding a scepter. His legacy continues to influence French culture and history.