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The following outline is provided as an overview of and topical guide to the September 11 attacks and their consequences: September 11 attacks – four coordinated suicide attacks upon the United States in New York City and the Washington, D.C., area on September 11, 2001.
On September 13, 2001, Zdeněk P. Bažant, professor of civil engineering and materials science at Northwestern University, circulated a draft paper with results of a simple analysis of the World Trade Center collapse. Bažant suggested that heat from the fires was a key factor, causing steel columns in both the core and the perimeter to weaken ...
The collapse of the World Trade Center buildings on September 11, 2001 was unprecedented; never before had a steel-framed multi-story building suffered a complete collapse as a result of fire. [6] In the immediate aftermath, knowledgeable structural engineers began providing a range of explanations in an attempt to help the public understand ...
Updated September 11, 2016 at 11:33 AM. The entire world seemed to be watching as the events of September 11, 2001 unfolded -- first the attacks on the World Trade Center, then the Pentagon, then ...
The September 11 Digital Archive is a digital archive that stores information relating to the September 11 attacks on the United States in 2001. It contains over 150,000 digital files including images, videos, audio, and over 40,000 first-hand accounts of the attacks.
Thousands died in the Sept. 11, 2001 terrorist attack across New York, Washington, D.C. and Pennsylvania, and still many victims remain unidentified.
By EMILY CEGIELSKI September 11, 2001 is a date that will forever be burned into the collective American psyche. Everyone who was old enough to remember the day can recall exactly where they were ...
September 2015) (Learn how and when to remove this message) The following timeline is a chronological list of all the major events leading up to, during, and immediately following the September 11 attacks against the United States in 2001, through the first anniversary of the attacks in 2002.