St. Agnes' Day is celebrated on January 21st in honor of Saint Agnes, a young Christian martyr who lived in the 3rd century. She is known for her unwavering faith and commitment to her beliefs, even in the face of persecution. The day is often associated with various traditions and customs, particularly in some Christian communities. In many cultures, St. Agnes' Day marks the beginning of the Lenten season preparations. It is also linked to various folk traditions, including the practice of divination, where young women would seek to learn about their future husbands. Overall, the day serves as a reminder of faith and devotion.