September 11th Attacks (9/11)

These were a series of four coordinated terrorist attacks by the terrorist group al-Qaeda on the United States on the morning of September 11, 2001. Two passenger jets crashed into the north and south towers of the World Trade Centre, a third passenger jet crashed into the Pentagon and a fourth passenger jet crashed into a field after passengers managed to overthrow the hijackers from flying it into its intended target.. The attacks killed 2,997 people and injured at least 6,000 others and caused over $10 billion in property and infrastructure damage, with trillions of dollars spent on improving homeland security and for wars in Afghanistan and Iraq in response to the attacks.