Raconter un évènement qui s'est produit un 11 septembre en anglais

The September 11 attacks (also referred to as September 11, September 11th, or 9/11)[nb 1] were a series of four coordinated terrorist attacks by the Islamic terrorist group al-Qaeda on the United States on the morning of Tuesday, September 11, 2001. The attacks consisted of suicide attacks used to target symbolic U.S. landmarks.