"Good King Wenceslas" is a popular Christmas carol that tells the story of King Wenceslas, a historical figure from the 10th century. He was the Duke of Bohemia and is known for his generosity and kindness towards the poor. The song describes how he ventures out on a cold winter's night to help a less fortunate man, demonstrating his commitment to charity and compassion. The carol highlights themes of selflessness and the spirit of giving, especially during the Christmas season. It emphasizes the importance of helping those in need, encouraging listeners to follow the example set by King Wenceslas in their own lives.