December 20, 2021: Facts, Holidays & History

Monday, December 20, 2021, was 9 months ago. It was the 354th day and 12th month of the year in the Georgian calendar. It’s the 20th day of Winter and there are 71 days left until Spring. December 20, 2021 zodiac sign is Sagittarius. 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 20, 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 20 zodiac details, day facts, and more ⤵

Day index 354th day of the year
Day of week 3th Monday of 2021
Week index 51st week of 2021
Season 20th day of Winter
Generation Generation Alpha
Zodiac Sign Sagittarius ♐
Chinese Zodiac Ox
Ruling Planet Jupiter
Numerology 1
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 20, 2021, in Roman numerals: XIIXXMMXXI (month-day, year)

December 20th zodiac sign

The zodiac sign for December 20 is Sagittarius ♐. Sagittarius' strengths are: being idealistic, generous, and humor. While the weaknesses are: impatient, get bored quickly, and do things carelessly. Jupiter is the ruling planet of Sagittarius.

Top news headlines from December 20, 2021

Here is what happened on this day.

Popular topics that trended on the web and social media on December 20th:

Nick Mullens Bears #InsecureHBO Saints Lawrence #Browns

December 20th events in history

Below are some important historical events that happened on December 20.

1960 – The National Liberation Front, better known as the Viet Cong, is officially formed in South Vietnam.

1917 – Cheka formed - Soviet state security force and forerunner to the KGB, under Felix Dzerzhinsky after decree by Lenin.

1812 – Grimm's Fairy Tales or "Children's and Household Tales" by Jacob Grimm and Wilhelm Grimm is first published.

Stock markets on December 20, 2021

Did you know:

December 20, 2021 US Holidays

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

Popular Tweets on Dec 20, 2021

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


December 20, 2021 in Music

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

December 20 calendar

December 20, 2021 Monday
December 20, 2022 Tuesday
December 20, 2023 Wednesday
December 20, 2024 Friday
December 20, 2025 Saturday

What is Numerology and life path number?
December 20, 2021 life path number is 1. 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 1 is a spiritual and primal force. A natural-born leader. It is the root that all numbers stem from. Ones are also very individualistic, which can lead to loneliness.


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