St. John’s Day, also known as the Feast of St. John, is observed annually on December 27 in various countries, including Denmark, Norway, Sweden, Finland, Estonia, Latvia, and Lithuania. The day commemorates St. John, the author of the fourth gospel and the book of Revelation, who is often depicted alongside other gospel writers or as an eagle. Traditionally, people celebrate by lighting bonfires, a practice that dates back to older pagan holidays associated with the summer solstice, believed to ward off evil spirits and protect against harm. St. John is recognized for his role in the baptism of Jesus and his condemnation of Herod's marriage, which ultimately led to his execution. The significance of the day is highlighted by its connection to both Christian and pagan traditions.