9 11 Timeline • Trending

– Hijacker Mohammed Atta (on AA 11) mistakenly transmits a message to air traffic control: “We have some planes. Just stay quiet, and you’ll be OK. We are returning to the airport.”

– United Airlines Flight 175 (Boston to Los Angeles) takes off. Five hijackers are on board. 9 11 timeline

– The White House and U.S. Capitol are evacuated. The Collapses & The Passengers Who Fought Back 9:59 AM – The South Tower collapses just 56 minutes after being hit. Over 800 civilians and first responders are killed instantly. – Hijacker Mohammed Atta (on AA 11) mistakenly

– President Bush addresses the nation from the school, calling the events an “apparent terrorist attack.” Five hijackers are on board

On the morning of September 11, 2001, 19 terrorists hijacked four commercial airliners. They deliberately crashed two into the Twin Towers of the World Trade Center in New York City, one into the Pentagon in Virginia, and a fourth—whose passengers fought back—into a field in Pennsylvania. Nearly 3,000 people were killed in the deadliest terrorist attack on U.S. soil.

– News cameras capture a gaping hole in the North Tower. Most initially believe it is a tragic accident.