International observance days, weeks, and months for December 20, 2026. Plus historical events and birthdays.
December 20, 2026 celebrates International Human Solidarity Day. Every year on December 20th, International Human Solidarity Day seeks to celebrate the word’s unity in diversity. It’s also a day to raise awareness about the importance of solidarity.Solidarity is defined as an awareness of shared interests and objectives that create a psychological sense of unity. Solidarity also refers to the ties in a society that bind people together as one.
Read the full story →Events that occurred on December 20 throughout history
France transfers the authority of 828,000 square miles of land over to the United States completing the sale of the Louisiana Purchase.
The U.S. Patent Office issued the first patent No. 488,494 to Alexander T. Brown and George Stillman of Syracuse, NY for a pneumatic vehicle tire that "readily and easily detached from or applied to the rim of a wheel."
Directed by Frank Capra, It's a Wonderful Life, premieres in New York City. Starring James Stewart, Donna Reed, and Lionel Barrymore, the perennial Christmas film earned four Oscar nominations.
Dr. Bernard Kouchner and several Paris journalists founded Doctors Without Borders.
President Donald Trump signed legislation creating the United States Space Force. December 20th Celebrated Birthdays