The origin of Halloween is "druida", although its name is Christian: drift of All Hallows “Éen” or day eve of All the Saints. The customs had their origin in the celebrations of New Year of druids and the Romans.Halloween means or night of All the Saints. At this time the deads returned to be between the alive ones. They did human sacrifices and of animals, burning them in cages.
Credits:
information the halloween:http://es.wikipedia.org/wiki/Halloween
the gifts:http://www.publispain.com/halloween/