Landmark 9/11 anniversary marked in New York, Pentagon and Shanksville ceremonies

Sept. 11, 202608:46

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  Mamdani highlights the resilience and unity of New York City on 9/11 anniversary

  01:13

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  Honoring the man with the red bandana who saved many lives during 9/11

  03:00

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  9/11 victim's son says the tragedy should not be used to 'spread hate'

  01:08

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  08:46

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  FBI agent died of cancer after 9/11 Pentagon response. His widow is now telling his story

  04:17

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  New moment of silence held for those lost to 9/11 health effects

  02:32

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  9/11 survivors are being diagnosed with cancer 25 years after the attacks

  05:28

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  Trump recalls acts of heroism aboard United 93 at Pentagon 9/11 ceremony

  01:25

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  Trump mourns 'beautiful souls ripped from our world' at Pentagon 9/11 ceremony

  01:26

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  Watch President Trump's full remarks at Pentagon's 9/11 ceremony on 25th anniversary

  17:38

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  Moment of silence held in Shanksville for victims of United Flight 93

  01:40

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  Condoleezza Rice recounts her memories from the 9/11 attacks

  10:26

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  Moment of silence held at Pentagon 9/11 ceremony

  04:12

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  Moment of silence held when second plane struck the World Trade Center

  01:21

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  9/11 victims’ names read aloud at ground zero as Yo-Yo Ma performs

  01:37

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  First moment of silence takes place in New York for the 25th 9/11 anniversary

  02:38

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  9/11 first responders push for coverage of dementia

  04:34

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  Two former DHS Secretaries say department needs a 'reset' 25 years after 9/11

  07:18

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  Sons of 9/11 firefighter grew up to carry on their father's legacy

  02:54

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  Sole 9/11 'triple survivor' reflects on attack 25 years later

  01:45

NBC News NOW

• Mamdani highlights the resilience and unity of New York City on 9/11 anniversary

  01:13

• Honoring the man with the red bandana who saved many lives during 9/11

  03:00

• 9/11 victim's son says the tragedy should not be used to 'spread hate'

  01:08

• Now Playing

  Landmark 9/11 anniversary marked in New York, Pentagon and Shanksville ceremonies

  08:46

• UP NEXT

  FBI agent died of cancer after 9/11 Pentagon response. His widow is now telling his story

  04:17

• New moment of silence held for those lost to 9/11 health effects

  02:32