Wikipedia:Selected anniversaries/January 27
January 27: International Holocaust Remembrance Day.
- 1343 – Pope Clement VI issued the papal bull Unigenitus to justify the power of the pope and the use of indulgences.
- 1888 – Two weeks after a group of over thirty explorers and scientists met in Washington, D.C. to organize "a society for the increase and diffusion of geographical knowledge," the National Geographic Society, publisher of the National Geographic Magazine, was incorporated.
- 1945 – The Soviet Red Army liberated over 7,500 prisoners left behind by Nazi personnel in the Auschwitz concentration camp (entrance pictured) in Oświęcim, Poland.
- 1967 – The Apollo 1 spacecraft was destroyed by fire at the Kennedy Space Center in Florida, killing astronauts Gus Grissom, Edward White and Roger Chaffee.
- 1973 – The Paris Peace Accords were signed in Paris, temporarily ending the Vietnam War with a ceasefire. North Vietnam would violate the treaty one year later when it attacked South Vietnam on December 13 1974.
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