Anniversaries, Holidays, and Observances for May 30, 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

  • National Creativity Day
  • Neighbor Day
  • World MS Day
  • 1626: An explosion at the Wanggongchang Gunpowder Factory in Beijing destroyed part of the city and killed 20,000 people
  • 1635: The Peace of Prague was signed between the Hapsburg Emperor Ferdinand II and the Electorate of Saxony which effectively ended the civil war aspect of the Thirty Years’ War
  • 1848: The Treaty of Guadalupe Hidalgo between US and Mexico came into force, giving New Mexico, California and parts of Nevada, Utah, Arizona, and Colorado to the US in return for $15 million
  • 1879: An F4 tornado struck Irving, Kansas killing 18 people and injuring 60 others
  • 1908: The first federal workman’s compensation law in the US was approved
  • 1913: The Treaty of London was signed by the Great Powers, the Ottoman Empire and the victorious Balkan League (Serbia, Greece, Kingdom of Bulgaria, and Montenegro) bringing an end to the First Balkan War
  • 1937: In The Memorial Day Massacre the Chicago Police Department shot and killed 10 unarmed demonstrators during the “Little Steel Strike” in the United States
  • 1941: The first anti-semitic measures in Serbia were implemented
  • 1955: Said el-Mufti formed the government of Jordan
  • 1955: Tunisia began self governance
  • 1998: A magnitude 6.6 earthquake hit northern Afghanistan, killing about 5,000 people

Weekly Holidays and Observances including May 30, 2021

n/a

May Monthly Holidays and Observances

  • Arthritis Awareness Month
  • Asian American and Pacific Islander Heritage Month
  • National Allergy and Asthma Awareness Month
  • Better Hearing and Speech Month
  • Better Sleep Month
  • Clean Air Month
  • Correct Posture Month
  • Digestive Diseases Awareness Month
  • Electromagnetic Radiation Awareness Month
  • Employee Health and Fitness Month
  • Family Wellness Month
  • Fibromyalgia Education and Awareness Month
  • Food Allergy Awareness Month
  • Fungal Infection Awareness Month
  • Haitian Heritage Month
  • Healthy Vision Month
  • High Blood Pressure Awareness Month
  • Homeschooling Awareness Month
  • Huntington’s Disease Awareness Month
  • International Business Image Improvement Month
  • International Civility Awareness Month
  • Internet and E-Commerce Services Month
  • Jewish American Heritage Month
  • Labor History Month
  • Lupus Awareness Month
  • Lyme Disease Awareness Month
  • Melanoma/Skin Cancer Detection and Prevention Month
  • Mental Health Month
  • National Celiac Disease Awareness Month
  • National Community Action Month
  • National Cystic Fibrosis Awareness Month
  • National Hepatitis Awareness Month
  • National High Blood Pressure Education Month
  • National Inventors Month
  • National Meditation Month
  • National Osteoporosis Awareness and Prevention Month
  • National Physical Fitness and Sports Month
  • National Recommitment Month
  • National Smile Month
  • National Stroke Awareness Month
  • Personal History Awareness Month
  • Revise Your Work Schedule Month
  • Small Business Month
  • Spiritual Literacy Month
  • Tourette Syndrome Awareness Month
  • Trauma Awareness Month

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