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December 23, 2025
Today’s Atlantic Trivia: All Downhill From Here?
Test your knowledge—and read our latest stories for a little extra help.
TL;DR
- Anders Celsius developed his centigrade temperature system on December 25, 1741.
- Lindsey Vonn, a 41-year-old American downhill skier, became the oldest competitor to win the sport's World Cup.
- The line north of 66°30′ N, where the sun is above the horizon for 24 hours at least once a year, is called the Arctic Circle.
- Horatio Alger was a 19th-century American author known for his rags-to-riches stories.
- Lahaina Noon is a phenomenon in tropical regions where the sun is briefly directly overhead, causing objects to cast no shadows.
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