9-11 Commission

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September 11 attacks

Remembering the 9/11 attacks

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Close up of a hand placing a ballot in a ballot box. Election vote voter voting

Have Any U.S. Presidents Decided Not to Run For a Second Term?

President Kennedy address on Test Ban Treaty, White House, Oval Office, July 26, 1963. President John F. Kennedy, President Kennedy

11 Memorable Quotes from U.S. Presidential Debates

Clouds of smoke rise from fires at the World Trade Center Towers as a result of terrorist attack on September 11, 2001. Photographed 9:54 am in Lower Manhattan.

Timeline of the September 11 Attacks

Text Top Secret typed on retro typewriter

How Secret Is Top Secret?

US Marines firing at Fallujah, Iraq, during the Second Battle of Fallujah in November 2004. Operation Iraqi Freedom, Iraq War.

Timeline of the 2000s

Discover

A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England

Inventors and Inventions of the Industrial Revolution

Rural Irish landscape, Sligo, Ireland.

Why Is Ireland Two Countries?

Thumbnail for flags that look alike quiz Russia, Slovenia, Iceland, Norway

Flags That Look Alike

The Cheshire Cat is a fictional cat from Lewis Carroll's Alice's Adventures in Wonderland. (Alice in Wonderland)

11 Banned Books Through Time

Diverse elementary school children wearing school uniforms running outside of school. Boys girls

Pro and Con: School Uniforms

Thanksgiving Turkey with all the sides

Why Do We Eat Turkey on Thanksgiving?

Thanksgiving Celebration Traditional Dinner Setting Food Concept

Why Is Thanksgiving in the U.S. Celebrated on a Thursday?

9-11 Commission: Media

United States commission

Videos

Remembering the 9/11 attacks

Remembering the 9/11 attacks

Learn more about how the September 11 attacks were remembered in 2021.

Video: Encyclopædia Britannica, Inc.

Images

September 11 attacks

September 11 attacks

Smoke billowing from the twin towers of New York City's World Trade Center after...

Robert Giroux/Getty Images

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