Halloween is such an interesting holiday, I'd love to know more about it, do you know anything about its history?
Halloween is actually Hallowe'en which is a contraction of All Hallows' Evening.  It's celebrated on October 31.
Oh that's cool, what exactly is All Hallow's Evening?
It's actually known as Allhallowtide, Allsaintstide, Hallowtide, and Hallowmas season. It's the three days that observe All Saints Eve.
So All Saints Eve is the origin of Halloween then?
I believe so, but I'm not completely sure.
Alright, does All Saints Eve have anything to do with religion or something?
many Halloween traditions originated from ancient Celtic harvest festivals, particularly the Gaelic festival Samhain; that such festivals may have had pagan roots; and that Samhain itself was Christianized as Halloween by the early Church. Some believe, however, that Halloween began solely as a Christian holiday, separate from ancient festivals like Samhain.
Halloween activities include trick-or-treating (or the related guising and souling), attending Halloween costume parties, carving pumpkins into jack-o'-lanterns, lighting bonfires, apple bobbing, divination games, playing pranks
Allhallowtide
Allhallowtide, Hallowtide, Allsaintstide, or the Hallowmas season, is the triduum encompassing the Western Christian observances of All Saints' Eve (Halloween), All Saints' Day (All Hallows') and All Souls' Day, which last from 31 October to 2 November annually. Allhallowtide is a "time to remember the dead, including martyrs, saints, and all faithful departed Christians." The present date of Hallowmas (All Saints' Day) and thus also of its vigil (Hallowe'en) was established for