Wikipedia:Selected anniversaries/January 27

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 listorpicture 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.

Use only ONE image at a time

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  Pope Clement VI
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  Cameo of Pope Clement VI
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  Holocaust victims
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  A 1915 issue of National Geographic, with its characteristic yellow borders
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  Apollo 1
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  Grissom, White, and Chaffee of Apollo 1
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  Akebono Tarō
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  Porfirio Lobo Sosa
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  Brisbane River flooded
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  Bust of Trajan
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  Mahamane Ousmane

• AD 98 – Trajan succeeded his adoptive father NervaasRoman emperor; the Roman Empire reached its maximum extent under his rule.
• 1343 – Clement VI issued the papal bull Unigenitus, justifying the power of the pope and the use of indulgences.
• 1785 – The University of Georgia, one of the oldest public universities in the United States, was founded.
• 1965 – South Vietnamese prime minister Trần Văn Hương was removed by the military junta of Nguyễn Khánh.
• 1967 – A fire during a launch simulation for the Apollo 1 mission at Cape Kennedy killed astronauts Gus Grissom, Ed White and Roger Chaffee.
• 1980 – Six American diplomats who had evaded capture in the Iran hostage crisis escaped with the help of Canadian government officialstoZürich, Switzerland.
• 1996 – Mahamane Ousmane, the first democratically elected president of Niger, was deposed by Colonel Ibrahim Baré Maïnassara in a military coup d'état.
• 2010 – Porfirio Lobo Sosa became the new president of Honduras, ending a constitutional crisis that had begun in 2009 when Manuel Zelaya was forcibly removed from office.
• 2011 – Arab Spring: The Yemeni Revolution began as more than 16,000 protesters demonstrated in Sanaa to demand governmental changes.
• 2011 – Within Ursa Minor, H1504+65, a white dwarf with the hottest known surface temperature in the universe at 200,000 K, was documented.
• Born/died this day: | Marcian |d|457| Edward of Angoulême |b|1365| George Byng, 1st Viscount Torrington |b|1663| Johann Nikolaus von Hontheim |b|1701| Titumir |b|1782| Eli Whitney Blake |b|1795| John Perkins |d|1812| Sasaki Tōichi|b|1886| Giuseppe Verdi |d|1901| Mohamed Al-Fayed |b|1929| Perfecto Yasay Jr. |b|1947| Victoria Ocampo |d|1979| Paul Zorner |d|2014

January 27

Entrance to Auschwitz I

• 945 – The brothers Stephen and Constantine Lekapenos, having deposed their father as Byzantine emperor a few weeks earlier, were themselves overthrown by Constantine VII, their co-emperor.
• 1820 – A Russian expedition led by the naval officers Fabian Gottlieb von Bellingshausen and Mikhail Lazarev made the first sighting of the coast of Antarctica.
• 1945 – The Soviet Red Army liberated about 7,000 prisoners left behind by the NazisinAuschwitz concentration camp (entrance pictured).
• 1974 – Brisbane, Australia, was flooded when the Brisbane River broke its banks.
• 2003 – The first selections for the United States National Recording Registry were announced by the Library of Congress.