Never forget: A timeline of events on September 11, 2001
It’s been 19 years since the United States became "a nation transformed."
Trump and Biden to both visit Shanksville for 9/11 anniversary
It was not immediately clear whether their visits to the memorial will overlap. But it probably will be the closest that the candidates have been to one another in months.
9/11 survivor's guide dog helped him escape North Tower's 78th floor
The horrors experienced on September 11, 2001 are still difficult to imagine, but try to imagine being on the 78th floor of the North Tower when the first plane hit - and being blind.
Florida man spots 'firefighter running toward angel' in clouds on September 11
A photo taken on the 18th anniversary of the Sept. 11 terror attacks appears to show clouds shaped like a firefighter running toward an angel.