![Streetwear with colorful patterns, a standout look](https://images.calendafest.com/posts/01/international-sweatpants-day.webp)
International Sweatpants Day
#FashionEmbracing comfort and relaxation by wearing your favorite pair of sweatpants.
![Drawing of father hugging his two daughters](https://images.calendafest.com/posts/01/national-hugging-day.webp)
National Hugging Day
#ActivitiesPromoting the act of embracing others through warm, heartfelt hugs.
![Squirrel at a mini candy festival](https://images.calendafest.com/posts/01/national-squirrel-appreciation-day.webp)
National Squirrel Appreciation Day
#AnimalsRecognizing the crucial role these charming, bushy-tailed creatures play in our ecosystem.
Interesting Facts of January 21st
- There are 344 days remaining until the end of the year (345 in leap years) on this date.
- King Louis XVI of France was executed by guillotine during the French Revolution on this day in 1793.
- The Concorde supersonic jet began its commercial service on this day in 1976.
- The first nuclear-powered submarine, the USS Nautilus, was launched in Groton, Connecticut on January 21, 1954.
- January 21, 1924, marks the death of Vladimir Lenin, revolutionary and political theorist who served as the head of government in Soviet Russia (1917-1922) and the Soviet Union (1922-1924).