9/11

USCIS 100:86. / 128:115. What major event happened on September 11, 2001, in the United States?

 

VOA News: Flag unfurled at Pentagon to mark 9/11 anniversary

Also see:

• VOA News: 23 years after 9/11, terrorism still stalks US, globe

More Resources:

• 9/11 Memorial and Museum: Education
• NPR: The 20th Anniversary Of The 9/11 Attacks plus the 2025 update
• NPS: Flight 93
• si.edu: Preparing the Oath September 11, 2001 (video)
• USCIS: U.S. History Since 1900 - Intermediate Level Lesson Plan
• uscitizenpod: 
• N-400 Part 9:06: Group Affiliation
• N-400 Part 9:07: War Crimes
• 09 Practice Citizenship Interview based on the USCIS Form N-400 (2024)
• 10 Practice Citizenship Interview based on the USCIS Form N-400 (2024)
• VOA News
• Biden, Harris mark 9/11 with visit to Flight 93 Memorial (2024)
• Vanished US Flag From Famous 9/11 Photo Returns to Ground Zero (2016)
• Arboreal Survivor of 9/11 is Alive, and Well Joyce Kilmer, an American poet who died in 1918, wrote a famous poem called Trees. It opens with: "I think that I shall never see a poem lovely as a tree." In 2013, if alive, he could have written about a tree that loves life and defeated tragedy. 
• Wikipedia: Memorials and services for the September 11 attacks

updated 2026-09-01