In parts all over the world today, we are celebrating Halloween. For many cultures, this has become a childrens’ holiday, where they will dress up in costumes and go knocking on doors trick or treating for sweets. But Halloween (a contraction of All Hallow’s Evening) is widely believed to have originated from Celtic harvest festivals, particularly the Gaelic festival Samhain, which marked the end of the harvest season. The festival would take place hallway between the autumn