Flight 93 National Memorial The Tower of Voices at the Flight 93 National Memorial near Shanksville, Pennsylvania, is a musical instrument honoring the 40 victims of the hijacking and crash of United Airlines flight 93 on September 11, 2001. The tower stands 93 feet (28 meters) tall and holds 40 wind chimes, each with a unique musical tone. (more) How Many People Were Killed in the September 11 Attacks? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/topic/How-many-people-were-killed-in-the-September-11-attacks Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback Our editors will review what you’ve submitted and determine whether to revise the article.

　　External Websites Ask the Chatbot a Question Written by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... The Editors of Encyclopaedia Britannica Last Updated: Sep 15, 2025 • Article History Table of Contents Table of Contents Ask the Chatbot The exact number of victims of the terrorist attacks on September 11, 2001, is not definitively known due to uncertainty around the number of those killed at the World Trade Center. However, the official death toll, after numerous revisions and not including the 19 terrorists, is 2,977 people. At the World Trade Center in New York City, 2,753 people died, of whom 343 were firefighters. The death toll at the Pentagon in Arlington, Virginia, was 184, and 40 individuals died outside Shanksville, Pennsylvania. Because the September 11 attacks caused such massive destruction and intensely hot fires, the remains of many ...(100 of 407 words)

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