Samhain step from guising to playing pranks". Playing pranks at Samhain is recorded in the Scottish Highlands as far back as 1736 and was also common in Ireland, which led to Samhain being nicknamed "Mischief Night" in some parts. Wearing costumes at Halloween spread to England in the 20th century, as did the custom of playing pranks, though there had been mumming at other festivals. At the time of mass transatlantic Irish and Scottish immigration, which popularised Halloween in North America, Halloween in Ireland and Scotland had a strong tradition of guising and pranks. Trick-or-treating may have come from the custom
Hill of Tara dates. Within 12 miles of the Hill of Tara is another significant site known as Hill of Ward or Tlachtga, named after a powerful druidess. The site dates from 200 AD and is reputed to be the place of the first Celtic Pagan Fire Festival that took place on the eve of Samhain, 31 October. It was a pagan ritual of burning cattle bones, referred to then as bonefires or 'tine cnámh'. Samhain was later incorporated or replaced by All Saints' Day in the Christian calendar. A theory that may predate the Hill of Tara's splendor before Milesian times is