The September 11 attacks (9/11) occurred on September 11, 2001. As of the current date, August 30, 2025, it has been almost 24 years since 9/11, specifically about 8,751 days since the event.

Context of 9/11

• The attacks involved four coordinated terrorist attacks by al Qaeda militants.
• Two planes crashed into the Twin Towers of the World Trade Center in New York City.
• Another plane hit the Pentagon in Washington, D.C.
• A fourth plane crashed in Pennsylvania after passengers intervened.
• Almost 3,000 people were killed in the deadliest terrorist attack on U.S. soil.