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Holidays for Tuesday, October 31st, 2017

October 31st, 2017 is Halloween

Observed annually on October 31st

October 31st, 2017 is National Knock Knock Jokes Day

Also known as National Knock-Knock Jokes Day

Observed annually on October 31st

October 31st, 2017 is Samhain

Observed annually on October 31st
Things that happened on this day in years past