The September 11 attacks (also referred to as 9 / 11) 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 killed 2,996 people, injured over 6,000 others, and caused at least $10 billion in infrastructure and property damage.
what day of the week did september 11th happen
Tuesday