It has w been 18 years since Al-Qaeda orchestrated terror attacks on World Tre Centre buildings in New York that killed 2996 people. September 11, 2001, is a dark day in United States history and citizens of America remember w deceased and in response y say that what happened all those years ago never lets us forget and it is something we can't forget. people of America took to Twitter and Instagram to pay tribute to those that lost ir lives and heroes in 9/11 attacks.

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 Tweets that were truly filled with a world of emotions:

@JessRyanUSA tweeted a video of Americans garing at 9/11 memorial and singing "God Bless America".

@alexaio tweeted: "We owe it those we lost to remember and hor m" 

@Sept11Memorial tweeted: "In darkness we shine brightest."

When World Tre Center collapsed on September 11, 2001, re were more than 300 of  heroes were dogs. 

Ryan Seacrest took to twitter too and tweeted: "Remember m today and every day. #NeverForget"

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Emotional tribute posts on Instagram

@carriedawayantiques posted this tearjerking mess from a husband to his wife. 

 @9/11memorial posted: "Eighteen years ago, under clear blue skies, unimaginable happened."

@whirllabee posted: "We only danced tango that day— for grief and r."

@davis__excuses posted a photograph of smoke bellowing out of Twin Towers with #NeverForget.

@wlwig posted: Remembering 9/11. “Dedicated to those who fell and to those that carry on. May we never forget.”

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