September 11 Attacks September 11, 2021 7:49 am US Marks 20 Years Since 9/11 Terror Attacks The U.S. marked 20 years since the terror attacks of 9/11 at ceremonies across the country. US & World Videos 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business' 1:36 O.J. Simpson's cause of death revealed