All hallows eve

Halloween was called all hallows eve because it is the evening before All saints day. Hallows is another word for saints.

How to celebrate all hallows eve you      have to wear dress ups like little saints to remind everyone of all Saints day on November 1st. Then go to the grave of departed on all souls day on November 2nd. You also go to the masses on both days,  Then you say a prayer about someone in your family who died.