Day Guide for Saturday October 21st 2017 What are the holidays on October 21st 2017?

This is our day guide for Saturday October 21st 2017 which shows you at a glance what's happening on this day around the world. Using the calendar on this page, you can look at a day guide for any day. Why not look up your birthday to see which holidays you share it with?

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General Information for October 21st 2017
There are 5 public holidays today.
Day 294 of 2017
71 days left in 2017
Week 42 of the year
On this Day in History
1983 – The metre is defined at the seventeenth General Conference on Weights and Measures as the distance light travels in a vacuum in 1/299,792,458 of a second.
1966 - Aberfan disaster: A slag heap collapses on the village of Aberfan in Wales, killing 144 people, mostly schoolchildren.
1940 – The first edition of the Ernest Hemingway novel For Whom the Bell Tolls is published.
1097 - First Crusade: Crusaders led by Godfrey of Bouillon, Bohemund of Taranto, and Raymond IV of Toulouse, begin the Siege of Antioch.