+**Halloween** is a yearly [holiday](/wiki/holiday) celebrated on October 31, marking the eve of All Saints' Day. Its roots lie in ancient Celtic festivals like [Samhain](/wiki/samhain), blending themes of harvest and remembrance. Traditions include dressing in costume and sharing sweets.
+## See also
+- [Costume](/wiki/costume)
+- [Trick-or-treat](/wiki/trick-or-treat)
+- [Jack-o'-lantern](/wiki/jack-o'-lantern)
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