International observance days, weeks, and months for December 12, 2026. Plus historical events and birthdays.
December 12, 2026 celebrates International Day Of Neutrality, plus 1 more. Every year on December 12th, the International Day of Neutrality promotes the importance of peaceful, friendly, and mutually beneficial relations between countries.
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Every year December 12th marks International Universal Health Coverage Day as a way to urge countries to accelerate progress toward Universal Health Coverage (UHC). The day also seeks to promote the idea that access to affordable quality health care is a human right.
Read the full story →Events that occurred on December 12 throughout history
Flying the Bell X-1A, Chuck Yeager becomes the first person to exceed twice the speed of sound.
On the anniversary of Marconi's first transatlantic radio signal, the U.S. military launched the first privately built satellite into orbit around the Earth. OSCAR1 - short for Orbiting Satellite Carrying Amateur Radio - hitched a ride aboard a Discoverer satellite that was launched into orbit by a U.S. military Thor-Agena rocket. The payload orbited the Earth for 22 days sending the message "Hi" by Morse code to approximately 300,000 amateur radio operators tracking OSCAR1. December 12th Celebrated (And Not So Celebrated) Birthdays