The Sept. 11, 2001 terrorist attacks were the worst acts of terrorism on American soil to date. Designed to instill panic and fear, the attacks were unprecedented in terms of their scope, magnitude and impact on the American psyche. The vast majority (over 60 percent) of Americans watched these attacks occur live on television or saw them replayed over and over again in the days, weeks and years following the attacks. More.
Explainer: How the pain of 9/11 still stays with a generation