9/11 FAQs

Find answers to frequently asked questions about the the events of September 11, 2001 and the history leading up to them.
Each year on the anniversary of 9/11, the families of victims gather for a ceremony on the 9/11 Memorial plaza to read aloud the names of the 2,983 men, women, and children killed in the September 11, 2001 attacks and February 26, 1993 bombing of the World Trade Center. Six moments of silence mark the times when each of the World Trade Center towers was struck, when each tower fell, and the times corresponding to the attack at the Pentagon, and the crash of United Airlines Flight 93 in Pennsylvania.
On September 11, people around the world join the 9/11 Memorial & Museum to take part in our "Remember the Sky" social media campaign, an active remembrance that highlights our connection under the same big sky.
Offered every year on and around the 9/11 anniversary, this interactive program connects participants with 9/11 Memorial Museum staff and guest speakers who share personal stories about the attacks and explore the importance of commemoration.
Each year in commemoration of 9/11, the twin beams of Tribute in Light shine, recalling the Twin Towers and honoring those killed.
As an extension of Tribute in Light, we partnered in 2022 once again with NYC & Company and landmarks throughout the city who lit up their own facades and rooftops in blue. “Tribute in Lights” is a unique and simple gesture of collective remembrance.
The Never Forget Fund supports programs that help students, educators, law enforcement, military, and intelligence professionals better understand and connect to the stories of 9/11. Make a donation in honor of the anniversary today.
Find answers to frequently asked questions about the the events of September 11, 2001 and the history leading up to them.
Access Museum resources including interactive timelines, oral histories, digital exhibitions, and 9/11 primary sources to learn more about the February 26, 1993 World Trade Center bombing, 9/11 and its aftermath.