Wikipedia:Selected anniversaries/January 27
This is a list of selected January 27 anniversaries that appear in the "On this day" section of the Main Page. To suggest a new item, in most cases, you can be bold and edit this page. Please read the selected anniversaries guidelines before making your edit. However, if your addition might be controversial or on a day that is or will soon be on the Main Page, please post your suggestion on the talk page instead.
Please note that the events listed on the Main Page are chosen based more on relative article quality and to maintain a mix of topics, not based solely on how important or significant their subjects are. Only four to five events are posted at a time and thus not everything that is "most important and significant" can be listed. In addition, an event is generally not posted this year if it is also the subject of the scheduled featured article, featured list or picture of the day.
To report an error when this appears on the Main Page, see Main Page errors. Please remember that this list defers to the supporting articles, so it is best to achieve consensus and make any necessary changes there first.
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January 27: International Holocaust Remembrance Day, Holocaust Memorial Day in the United Kingdom, and other various commemorations of the liberation of Auschwitz (1945).
- 661 – The Rashidun Caliphate, the first Arab caliphate founded after Muhammad's death in 632, effectively ended with the death of Ali.
- 1343 – Pope Clement VI (cameo pictured) 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.
- 1918 – The first hostilities in the Finnish Civil War began when White Guards attacked trains carrying a large shipment of weapons from Bolshevist Russia to the Red Guards.
- 1967 – The Apollo 1 spacecraft was destroyed by fire at the Kennedy Space Center in Florida, USA, killing astronauts Gus Grissom, Edward White and Roger Chaffee.
- 1996 – Colonel Ibrahim Baré Maïnassara deposed Mahamane Ousmane, the first democratically elected president of Niger, in a military coup d'état.