September 11

September 11 is the 254th day of the year (255th in leap years) in the Gregorian calendar. 111 days remain until the end of the year.

Between the years AD 1900 and 2099, September 11 of the Gregorian calendar is the leap day of the Coptic and Ethiopian calendars. These leap days occur in the years immediately before leap years in the Julian and Gregorian calendars. In all common years of the Coptic and Ethiopian calendars, September 11 is New Year's Day.

Since 2001, the date has been widely known for the terrorist attacks that occurred in the United States and were named after it.




Holidays and observances


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  2. ^ Toksvig, Sandi (11 September 2011). "Sandi Toksvig on September 11". The Daily Telegraph. Retrieved 17 October 2018.
  3. ^ Siggurdsson (12 September 2012). "Battle of the Teutoburg Forest: Germans Massacre Three Roman Legions". The American´s Legion BurnPit. Retrieved 17 October 2018.
  4. ^ Ranter, Harro. "ASN Aircraft accident Sud Aviation SE-210 Caravelle VI-N YU-AHD Titograd". Retrieved 2019-07-25.
  5. ^ Ranter, Harro. "ASN Aircraft accident Embraer EMB-120RT Brasilia N33701 Eagle Lake, TX". Retrieved 2019-06-30.
  6. ^ "Bin Laden claims responsibility for 9/11". CBC News. October 29, 2004. Retrieved 11 September 2019. al-Qaeda's suicide airplane attacks on Sept. 11, 2001.
  7. ^ "Companies House".
  8. ^ Stone, Tessa. "Barnett, Dame (Mary) Henrietta (1905–1985), air force officer". Oxford Dictionary of National Biography. doi:10.1093/ref:odnb/9780198614128.001.0001/odnb-9780198614128-e-63949. Retrieved 2019-08-05.
  9. ^ "Mary Jane Reoch Inducted in 1994 for Modern Road & Track Competitor (1945-1975)". U.S. Bicycling Hall of Fame. Retrieved 16 September 2018.

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