Number of days in October: 31 days
National holidays:
Columbus Day (October 14) - Honors Christopher Columbus, the first European to land in mainland Americas after Leif Erikson. Falls on the second Monday of October.
Observances:
Halloween (October 31) - The eve of the Western Christian feast of All Hallows' Day, traditionally considered the only day in the year when the spirits of the dead can return to earth. Halloween activities include trick-or-treating, attending Halloween costume parties, carving pumpkins into jack-o'-lanterns, divination games, telling scary stories, watching horror films etc.