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December 2021 Events and Celebrations
The year is finally coming to a close and people are eager to ring in the new year with renewed aspirations. Winter in the Northern Hemisphere is in full swing, and now everything is getting wrapped up in the Christmas spirit—the biggest holiday of the season.
Monthly view
World AIDS Day
An international day dedicated to raising awareness of the AIDS pandemic caused by the spread of HIV infection. It's an opportunity for people worldwide to unite in the fight against HIV, to show support for people living with HIV, and to commemorate those who have died of the disease.
World Wildlife Conservation Day
This is an opportunity to celebrate the many beautiful and varied forms of wild fauna and flora and to raise awareness of the multitude of benefits that conservation provides to people. At the same time, this day reminds us of the urgent need to step up the fight against wildlife crime.
International Cheetah Day
International Cheetah Day celebrates these incredible animals while raising awareness about their threat of extinction. It can accelerate faster than a Ferrari, going from 0-75 mph in just 3 seconds, and comes with a self-grown paint-job that would make the fanciest car blush with envy.
World Soil Day
World Soil Day (WSD) is held annually on 5 December as a means to focus attention on the importance of healthy soil and advocating for the sustainable management of soil resources. #WorldSoilDay and #StopSoilErosion are great hashtags to use to further your activism!
St Nicholas Day
Observed on December 5/6 in Western Christian countries and December 19 in Eastern Christian countries, it is the feast day of Saint Nicholas. It is a Christian festival with regard to his reputation as a bringer of gifts, as well as through the attendance of Mass or other worship services.
Hanukkah Ends #Hanukkah
The last day of Hanukkah marks the end of Hanukkah, also known as Chanukah or Festival of Lights. Hanukkah is an eight-day Jewish observance that remembers the Jewish people's struggle for religious freedom.
International Civil Aviation Day
International Civil Aviation Day is annually observed December 7 to raise awareness of the importance of international civil aviation and the role that the International Civil Aviation Organization (ICAO) plays in international air transport.
Pretend to Be a Time Traveler Day #PretendToBeATimeTravelerDay
While the origins of this #PretendToBeATimeTraveler Day are unknown, we are certain that the creators of this unofficial holiday wanted people to pretend to be time travelers. Act like a time traveler, choose your time period and decide whether you are traveling to the past or the future.
Weary Willie Day
This day was named for the character made famous by Emmett Kelly, who was born on this day in 1898. Weary Willie Day celebrates the clowning art and the impact that it has had on our lives. Share your favourite memories and clowning art with #WearyWillieDay on social media!
International Anti-Corruption Day
International Anti-Corruption Day has been observed annually, on 9 December, since the passage of the United Nations Convention Against Corruption on 31 October 2003 to raise public awareness for anti-corruption. Take action and lead the change in holding leaders accountable for corruption!
Human Rights Day #HumanRightsDay
Human Rights Day is celebrated annually across the world on 10 December every year. The date was chosen to honour the United Nations General Assembly's adoption and proclamation, on 10 December 1948, of the Universal Declaration of Human Rights (UDHR), the first global enunciation of human rights.
International Mountain Day
The year 2002 was the International Year of Mountains. As this year drew to a close, the United Nations (UN) General Assembly proclaimed December 11 to be International Mountain Day. It aims to raise awareness on the importance of Mountains for our lives, the ecosystem and the environment.
Lost & Found Day
Celebrated first in 2012, Official Lost and Found Day is an unofficial holiday that reminds people to not give up on the things they have lost and to increase their efforts to find them. Share any such experiences you have with #LostandFoundDay !
Monkey Day
Monkey Day is an unofficial international holiday on December 14, celebrating all things simian. The holiday was created and popularized by artists Casey Sorrow and Eric Millikin when they were art students at Michigan State University.
Cat Herders Day #CatHerdersDay
Cat Herders Day is observed annually on December 15. This day is for those of us whose life or job is like herding cats. This day celebrates those who can manage others and themselves no matter what chaos is thrown their way.
Bake Cookies Day
Bake Cookies Day occurs in the middle of the holiday season, and is a great excuse to bake some delicious cookies to help you get through the cold, winter days. Share your sugary delights on social media with #BakeCookiesDay and share your best creations with friends and family!
Re-gifting Day
Crossword Puzzle Day #CrosswordPuzzleDay
December 21 commemorates the birth of a challenging word game enjoyed by millions around the world. To celebrate #CrosswordPuzzleDay , complete some crossword puzzles with your friends and family, or even have a friendly competition with each other to see who is quicker!
Winter Solstice
Winter officially begins with the Winter Solstice on Saturday, December 21, 2021. This is the astronomical first day of winter in the Northern Hemisphere.
Re-gifting Day
Each year on the Thursday before Christmas people across the United States participate in National Re-gifting Day. This day was chosen in honor of office parties and the unique Christmas gift exchange that they do.
Christmas Day
Christmas is an annual festival commemorating the birth of Jesus Christ, observed on December 25 as a religious and cultural celebration among billions of people around the world. A feast central to the Christian liturgical year, it is preceded by the season of Advent or the Nativity Fast.
Card Playing Day
Tired of all the holiday activities? Need a break before the New Year fun begins? Get your family and friends together for a quiet and fun night in on Card Playing Day. Share your fun and inspire others to do the same by using #CardPlayingDay on social media!
Tick Tock Day
Tick Tock Day, observed annually on December 29th, reminds us to complete any unfinished business that might need addressing before the end of the year. Make sure to use #TickTockDay to post on social media upon any achievements made!
- End of December -
About the month of December
The entire month revolves around shopping, Christmas movies, coziness and togetherness with family. People tend to get more reflective this month as they think of the year that just passed. The month of December also includes important days like Hanukkah and St Stephen’s Day that spread celebration spirit all around. The name of the month is derived from the Latin word Decem which means ten, and the birthstone of this month is blue turquoise which signifies strength and healing—appropriate for many as they prepare to leave the year start anew.

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