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January 15 holds significant multi-faceted commemorations. In the US, it crowns the civil rights leader, Martin Luther King Jr. Day. Globally, it celebrates Wikipedia Day, marking the launch of the free encyclopedia. It's also National Hat Day and National Pothole Day, Blue Monday, and more!

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Interesting Facts of January 15th

  1. 1. In the medieval era, representatives of the various guilds of London would annually parade through the city on this date.
  2. 2. For ancient Romans, January 15 was the date of a festival honoring the god of boundaries and livestock, Mars Silvanus.
  3. 3. In 2009, Captain Chesley "Sully" Sullenberger landed US Airways Flight 1549 on the Hudson River on this day after both engines failed due to a bird strike. All 155 passengers and crew survived in what became known as the "Miracle on the Hudson".
  4. 4. NASA's spacecraft "Stardust" returned to Earth on January 15, 2005, making it the first mission to retrieve samples from a comet.