Trick or Treat! Today is Halloween also known as Allhalloween, All Hallows' Eve, or All Saints' Eve is a celebration observed on the eve of All Saints Day. The origins of Halloween can be disputed. Some people believe that Halloween originally came from Samhain which is the Celtic pagan festival meaning Summers End. This celebrated the end of harvest season. Gaels believed Halloween was a time when the walls between our world and the next were at their thinnest allowing spirits to pass through.Read more