December 21, 2021: Facts, Holidays & History

Tuesday, December 21, 2021, was 9 months ago. It was the 355th day and 12th month of the year in the Georgian calendar. It’s the 21st day of Winter and there are 70 days left until Spring. December 21, 2021 zodiac sign is Capricorn. On this day, Joe Biden (Democratic) was the president of the United States and the world population was approximately 7.92 billion, according to census.gov.

Below is everything you need to know about December 21, 2021, including popular events in history, top news headlines, US stock market results, social trends, and what was popular in entertainment. We’ll also look at December 21 zodiac details, day facts, and more ⤵

Day index 355th day of the year
Day of week 3st Tuesday of 2021
Week index 51st week of 2021
Season 21st day of Winter
Generation Generation Alpha
Zodiac Sign Capricorn ♑
Chinese Zodiac Ox
Ruling Planet Saturn
Numerology 11
December Birthstone Tanzanite, Turquoise, Zircon and Topaz
December Birth flower Narcissus

We are using US standard week number calculations.

Fun fact: Here is how to write December 21, 2021, in Roman numerals: XIIXXIMMXXI (month-day, year)

December 21st zodiac sign

The zodiac sign for December 21 is Capricorn ♑. Capricorns are responsible, disciplined and good managers, though sometimes are also known for being know-it-all, unforgiving, and condescending. Capricorns are thought to be the most serious sign of the zodiac. Saturn is the ruling planet of Capricorn.

Top news headlines from December 21, 2021

Here is what happened on this day.

Popular topics that trended on the web and social media on December 21st:

Happy Winter Solstice #1221_MINHO_Heartbreak #TheBachelorette Happy Yule Portable #WhyIChime

December 21st events in history

Below are some important historical events that happened on December 21.

1991 – Soviet Union formally dissolves as 11 of 12 republics sign treaty forming Commonwealth of Independent States.

1988 – Lockerbie disaster: Pan Am Flight 103 destroyed mid air by a terrorist bomb killing all 258 on board over Scotland.

1898 – French Scientists Pierre and Marie Curie discover radium.

Stock markets on December 21, 2021

Did you know:

December 21, 2021 US Holidays

Holidays on this day: No major holidays found for this date.

Popular Tweets on Dec 21, 2021

Here are popular and most liked tweets on this day in United States:


December 21, 2021 in Music

The number one song on The Billboard Hot 100 was "All I Want for Christmas Is You" by Mariah Carey.

December 21 calendar

December 21, 2021 Tuesday
December 21, 2022 Wednesday
December 21, 2023 Thursday
December 21, 2024 Saturday
December 21, 2025 Sunday

What is Numerology and life path number?
December 21, 2021 life path number is 11. Numerologists believe that we have all had previous lifetimes. Each number from 1-9 holds a vibration and each vibration produces a predictable characteristic or outcome around it. Life Path 11 is thought to be the most intuitive of all Life Path Numbers and can sense a great deal about what’s going on behind the scenes. You are dedicated, loyal and can easily able to pick up on deeper cues.


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