"Twenty-First Night" is a traditional celebration that marks the end of the Christmas season, specifically the night of January 5th, also known as the eve of the Feast of the Epiphany. This event is often associated with various customs, including the consumption of special cakes and the singing of carols. In some cultures, the celebration includes the "King Cake," which contains a hidden figurine. The person who finds the figurine is often crowned "king" or "queen" for the day, leading to festivities and gatherings among family and friends. This night is a time for joy and reflection on the holiday season.