Epiphany

Epiphany (Greek epiphaneia "appearance", from epi " on, on " and phainomai " show "; " protrude, stand out " together for the purposes of ) referred to:

In a general sense, the unexpected appearance or self-revelation of a deity before men, see Theophany
In ancient times, the appearance of a revered as divine ruler ( epiphany in the narrower sense )
In Christianity the holiday Epiphany of the Lord (in some denominations is also the Greek word Epiphany in use )
In the work of the writer James Joyce a fictional character and a central element