Halloween has its origins in the ancient Celtic festival known as Samhain
(pronounced "sah-win"). The festival of Samhain is a celebration of the end of the harvest season in Gaelic culture. Samhain was a time
used by the ancient pagans to take stock of supplies and prepare for winter. The ancient Gaels believed that on October 31, the boundaries between the worlds of the living and the dead overlapped and the deceased would come back to life and cause havoc such as sickness or damaged crops.