Holidays for Sunday, December 21st, 2025
Multi-day Events Continuing on Sunday, December 21st, 2025
- AIDS Awareness MonthObserved the month of December and the month of October
- Awareness Month of Awareness Months MonthObserved the month of December
- Bingo's Birthday MonthObserved the month of December
- DecembeardObserved the month of December
- DecembeaverObserved the month of December
- Farm to Food Bank MonthObserved the month of December
- Give the Gift of Sight MonthObserved the month of December
- Honor Your Pharmacists MonthObserved the month of December
- National Drunk and Drugged Driving Prevention MonthObserved the month of December
- National Eggnog MonthObserved the month of December
- National Fruitcake MonthObserved the month of December
- National Pear MonthObserved the month of December
- National Sign Up for Summer Camp MonthObserved the month of December
- National Tie MonthObserved the month of December
- National Write a Business Plan MonthObserved the month of December
- Quince and Watermelon MonthObserved the month of December
- Read a New Book MonthObserved the month of December and the month of September
- Root Vegetables and Exotic Fruits MonthObserved the month of December
- Safe Toys and Gifts MonthObserved the month of December
- Seasonal Depression Awareness MonthObserved the month of December
- Tomato and Winter Squash MonthObserved the month of December
- Universal Human Rights MonthObserved the month of December
- Worldwide Food Service Safety MonthObserved the month of December
- Write a Friend MonthObserved the month of December
- Tie One On For SafetyObserved annually for 46 days starting on November 16th
- Take a New Year’s Resolution to Stop SmokingObserved annually for 51 days starting on December 17th
- International Year of CooperativesObserved the year 2025
- International Year of Glaciers' PreservationObserved the year 2025
- International Year of Peace and TrustObserved the year 2025
- International Year of Quantum Science and TechnologyObserved the year 2025
- Decade of Action for Road SafetyObserved January 1st, 2021 through December 31st, 2030
- International Decade for the Eradication of ColonialismObserved January 1st, 2021 through December 31st, 2030
- International Decade of Indigenous LanguagesObserved January 1st, 2022 through December 31st, 2031
- United Nations Decade for the Eradication of PovertyObserved January 1st, 2018 through December 31st, 2027
- United Nations Decade of Healthy AgeingObserved January 1st, 2021 through December 31st, 2030
- United Nations Decade of Ocean Science for Sustainable DevelopmentObserved January 1st, 2021 through December 31st, 2030
- United Nations Decade on Ecosystem RestorationObserved January 1st, 2021 through December 31st, 2030
- Industrial Development Decade for AfricaObserved January 1st, 2016 through December 31st, 2025
- International Decade of Sciences for Sustainable DevelopmentObserved January 1st, 2024 through December 31st, 2033
- Nelson Mandela Decade of PeaceObserved January 1st, 2019 through December 31st, 2028
- United Nations Decade of Action on NutritionObserved January 1st, 2016 through December 31st, 2025
- United Nations Decade of Family FarmingObserved January 1st, 2019 through December 31st, 2028
- International Decade for Action "Water for Sustainable Development"Observed March 22nd, 2018 through March 22nd, 2028