Halloween is a holiday celebrated each year on 31st October. The tradition of Halloween started with the tradition originated with the ancient Celtic festival of Samhain, when people would light bonfires and wear costumes to ward off ghosts.
In the eight century, Pope Gregory III designated November 1st as the time to honour all the saints, known as 'All Saints day'. The 'All Saints Day' also incorporated some traditions of Samhain, so 'All Hallows Eve' and later 'Halloween' was celebrated the evening before....