Epiphany (holiday) the calendar used, calling the feast that of the Nativity and Theophany of Our Lord. Origen's list of festivals (in "Contra Celsum", VIII, xxii) omits any reference to Epiphany. The first reference to an ecclesiastical feast of the Epiphany, in Ammianus Marcellinus (XXI:ii), is in 361. In parts of the Eastern Church, January 6 continued for some time as a composite feast that included the Nativity of Jesus: though Constantinople adopted December 25 to commemorate Jesus' birth in the fourth century, in other parts the Nativity of Jesus continued to be celebrated on January 6, a date later devoted exclusively
Epiphany (holiday) the feast is celebrated as Twelfth Night. The Monday after Epiphany is known as Plough Monday. Popular Epiphany customs include Epiphany singing, chalking the door, having one's house blessed, consuming Three Kings Cake, winter swimming, as well as attending church services. It is customary for Christians in many localities to remove their Christmas decorations on Epiphany Eve (Twelfth Night), although those in other Christian countries historically remove them on Candlemas, the conclusion of Epiphanytide. According to the first tradition, those who fail to remember to remove their Christmas decorations on Epiphany Eve must leave them untouched until Candlemas, the second