Why do people wear fancy dress on Halloween?
The custom of dressing up in costume comes from an old Celtic tradition when people used to dress in costumes that resembled evil spirits in order to placate them. At Halloween when the veil between the living and the dead is at it thinnest men would have dressed in white and blackened their faces to resemble the dead to acknowledge them and so appease them that they might not visit the homes of the living or if you were to meet a spirit on your travels they would accept you as one of their own and not be tempted to carry you away in the morning.
