Remembering the Fallen: Researching the Tragedy of 9/11On this day in 2001, the United States experienced the single worst terrorist attack in human history. The morning of Tuesday, September 11 saw four separate but coordinated attacks in various U.S. locations, which killed 2,966 people, injured more than 6,000 others, and resulted in billions of dollars in damages. The events of September 11th shocked the world, paving the way for a more aggressive, preemptive U.S. approach to foreign policy and national security. Join HeinOnline in understanding the tragedy and researching its impact as we remember the fallen.