Anniversaries, Holidays, & Observances for December 13, 2021

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Many days there are far too many anniversaries, holidays, and observances to post about individually on social media, so in an effort to have more of them available, LLPHP is going to experiment with posting them daily. If there are other items you feel should be included, please email contact@llphp.org and share!


Please note all holidays and observances listed as “National” days are American holidays and observances unless it is stated otherwise.

On This Day

  • Green Monday
  • 1570: Sweden and Denmark signed the Peace of Stettin
  • 1734: Britain and Russia signed a trade agreement
  • 1916: An avalanche killed 10,000 people, mostly Austrian and Italian troops, in and around Tyrol
  • 1981: Poland’s communist government declared martial law and arrested Solidarity activists in a failed attempt to crush the opposition
  • 1982: An earthquake hit Northern Yemen, killing about 2,000 people
  • 1990: An earthquake struck Sicily killing 18 people
  • 1991: North and South Korea signed an accord calling for reconciliation
  • 2014: A civil rights protest march against the police killing of unarmed black men took place in Washington DC

Weekly Holidays and Observances including December 13, 2021

  • Human Rights Week (December 10-17)

December Monthly Holidays and Observances

  • National Drink and Drugged Driving Prevention Month
  • National Impaired Driving Prevention Month
  • National Write A Business Plan Month
  • Seasonal Depression Awareness Month
  • Spiritual Literacy Month
  • Universal Human Rights Month

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