Halloween is samhain festival (also known as All Saints' Day), is a Catholic and Christian religious holiday, time is on November 1. Samhain festival as Catholic mass, on this day, unless there is irresistible reasons, otherwise all believers into the church to attend mass, remembering past all the saints and float into the kingdom of heaven, especially those famous in the history of the Catholic saints. After samhain festival is on November 2, All Souls' Day (All with Souls' Day, remember this Day is dead but not the soul of the float into the kingdom of heaven, believers will pray their ascension at an early date.
Halloween, October 31 of the year, is the western traditional festivals. Many people in Asia will be Halloween mistakenly called Halloween.
Halloween originated in ancient Celtic people ?