St. Maurice is a Christian saint and martyr, known for his leadership of the Theban Legion, a group of soldiers in the Roman army. He is celebrated for his refusal to persecute Christians, which led to his execution around the 3rd century AD. St. Maurice is often depicted in art wearing armor and holding a sword, symbolizing his military background and steadfast faith. His feast day is observed on September 22, and he is the patron saint of soldiers, swordsmiths, and the Swiss Guard. St. Maurice's legacy is honored in various churches and cities, particularly in Switzerland and France, where he is venerated as a significant figure in Christian history.