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From A Scientific Breakthrough To A Hollywood Icon’s Birth — On This Day In History December 21
What happened on December 21 in world history? Here are 4 events worth remembering: See them above in our 57-second video, and below for more details! Get On This Day In History delivered straight ...
Space.com20d
When is the Winter Solstice and what happens?
Here’s how it works. The next Winter Solstice for the Northern Hemisphere will occur on Dec. 21, 2025, and the next Winter Solstice for the Southern Hemisphere will occur on June 21, 2025.