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 (feeling) the Dadaist Marcel Duchamp and the Pop Artist Andy Warhol would invert expectations by presenting commonplace objects or graphics as works of fine art (for example a urinal as a fountain), simply by presenting them in a way no one had thought to do before; the result was intended to induce an epiphany of "what art is" or is not. Epiphanies can come in many different forms, and are often generated by a complex combination of experience, memory, knowledge, predisposition and context. A contemporary example of an epiphany in education might involve the process by which a student arrives at