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In Amenas. The September 11 attacks, [ f ] commonly known as 9/11, [ g ] were four coordinated Islamist terrorist suicide attacks carried out by al-Qaeda against the United States in 2001. On that Tuesday morning, 19 terrorists hijacked four commercial airliners scheduled to travel from the East Coast to California.
On Tuesday 11 September 2001 suicide attackers seized US passenger jets and crashed them into two New York skyscrapers, killing thousands of people. The attack remains one of the most traumatic...
- Overview
- Photos: The World Trade Center
- Photos: The Pentagon
- Photos: Flight 93
- HISTORY Vault: 9/11 Documentaries
On September 11, 2001—a clear, sunny, late summer day—al Qaeda terrorists aboard three hijacked passenger planes carried out coordinated suicide attacks against the World Trade Center in New York City and the Pentagon in Washington, D.C., killing everyone on board the planes and nearly 3,000 people on the ground. A fourth plane crashed into a field near Shanksville, Pennsylvania, killing all on board, after passengers and crew attempted to wrest control from the hijackers.
9/11 Timeline
Below is a chronology of the events of 9/11 as they unfolded. All times are Eastern Daylight Time (EDT).
• 7:59 am – American Airlines Flight 11, a Boeing 767 with 92 people aboard, takes off from Boston’s Logan International Airport en route to Los Angeles.
• 8:14 am – United Airlines Flight 175, a Boeing 767 with 65 people aboard, takes off from Boston; it is also headed to Los Angeles.
• 8:19 am – Flight attendants aboard Flight 11 alert ground personnel that the plane has been hijacked; American Airlines notifies the FBI.
1 / 10: Jose Jimenez/Primera Hora/Getty Images
• 8:47 am – Within seconds, NYPD and FDNY forces dispatch units to the World Trade Center, while Port Authority Police Department officers on site begin immediate evacuation of the North Tower.
• 8:50 am – White House Chief of Staff Andrew Card alerts President George W. Bush that a plane has hit the World Trade Center; the president is visiting an elementary school in Sarasota, Florida at the time.
• 9:02 am – After initially instructing tenants of the WTC’s South Tower to remain in the building, Port Authority officials broadcast orders to evacuate both towers via the public address system; an estimated 10,000 to 14,000 people are already in the process of evacuating.
• 9:03 am – Hijackers crash United Airlines Flight 175 into floors 75-85 of the WTC’s South Tower, killing everyone on board and hundreds inside the building
• 9:08 am – The FAA bans all takeoffs of flights going to New York City or through the airspace around the city.
1 / 6: Federal Bureau of Investigation via Getty Images
• 9:42 am – For the first time in history, the FAA grounds all flights over or bound for the continental United States. Over the next two-and-a-half hours, some 3,300 commercial flights and 1,200 private planes are guided to land at airports in Canada and the United States.
• 9:45 am – Amid escalating rumors of other attacks, the White House and U.S. Capitol building are evacuated (along with numerous other high-profile buildings, landmarks and public spaces).
• 9:59 am – The South Tower of the World Trade Center collapses.
1 / 5: David Maxwell/Getty Images
• 10:28 am – The World Trade Center’s North Tower collapses, 102 minutes after being struck by Flight 11.
• 11 am – Mayor Rudolph Giuliani calls for the evacuation of Lower Manhattan south of Canal Street, including more than 1 million residents, workers and tourists, as efforts continue throughout the afternoon to search for survivors at the WTC site.
• 1 pm – At Barksdale Air Force Base in Louisiana, President Bush announces that U.S. military forces are on high alert worldwide.
• 2:51 pm – The U.S. Navy dispatches missile destroyers to New York and Washington, D.C.
• 5:20 pm – The 47-story Seven World Trade Center collapses after burning for hours; the building had been evacuated in the morning, and there are no casualties, though the collapse forces rescue workers to flee for their lives. It is the last of the Twin Towers to fall.
Explore this collection of extraordinary documentary films about one of the most challenging days in U.S. history.
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Sep 11, 2001 · On September 11, 2001, 19 militants associated with the Islamic extremist group al Qaeda hijacked four airplanes and carried out suicide attacks against targets in the United States.
Sep 11, 2001 · September 11 attacks, series of airline hijackings and suicide attacks committed in 2001 by 19 militants associated with Islamic extremist group al-Qaeda against targets in the United States, the deadliest terrorist attacks on U.S. soil in U.S. history.
Sep 11, 2001 · Located at the World Trade Center in New York City, the 9/11 Memorial Museum tells the story of 9/11 through media, narratives, and a collection of monumental and authentic artifacts, presenting visitors with personal stories of loss, recovery, and hope.
The National September 11 Memorial & Museum (also known as the 9/11 Memorial & Museum) is a memorial and museum that are part of the World Trade Center complex, in New York City, created for remembering the September 11, 2001, attacks, which killed 2,977 people, and the 1993 World Trade Center bombing, which killed six. [4]
