The Pentagon Memorial
Learn more about the National 9/11 Pentagon Memorial in Washington, D.C., including the symbolism of its design.
The Pentagon Attack in Pictures
The outer wall of the Pentagon took the majority of the damage when Flight 77 was flown into it.
9/11 Impacts Language
How referring to the attacks of September 11th as “9/11” created a lasting impact on the English language.
History of the World Trade Center
Learn more about the history of the World Trade Center, how it was built, and why they fell.
Battle of Tora Bora
The U.S. Airforce launched an aerial attack while Northern Alliance troops stood ready on the ground.
Operation Anaconda
CIA paramilitary officers worked with allies to destroy al-Qaeda and Taliban forces in Afghanistan.
US-Afghan Agreement
Afghanistan and the U.S. sign a security agreement to allow US troops to remain in Afghanistan.
Immigration Law and DACA
An immigrant rights activist, talks about how the terrorist attacks on 9/11 drastically changed immigration policy.
NATO Article 5
Less than 24 hours after 9/11, NATO invoked Article 5 for the first time, showing support for the United States.
Osama bin Laden in Hiding
Al-Qaeda first gained attention after they were linked to the 1998 bombings of two American embassies.
Al-Qaeda Is Born
Osama bin Laden, along with about fifteen others, formed the extremist group known as al-Qaeda in 1988.
Fire Response Changed
9/11 changed how fire departments respond to emergencies, by increasing communication and funds.
