We asked you how 9/11 changed your world, and the response has been overwhelming.
To read all of the responses, click here.
Here are some of some of your responses, as picked by our editors:
"I lost faith in the American people. The country basically crumbled with their towers emotionally." – From commenter lost faith
"9/11 made me hate Muslims. Before that day, they weren't even on my radar." – From commenter Tina
"I never celebrate my birthday anymore. Seems too selfish to celebrate on a day that fills many with pain and sadness." – From commenter Carole
"I now have panic attacks every time I fly." – From commenter Grounded
"I stopped traveling to the US, ended friendships and love relationships there and in Canada, and have not flown since." – From Heather Landry on Facebook
"I literally dropped my cable subscription on 9/12 focusing on filling my days by being active. I've been TV-free ever since." – From Alexander David on Facebook
"It made me more sensitive to the Muslim faith and realize a whole religion should not be held responsible for a small percentage of extremists." – From Ket Chup on Facebook
"Unfortunately it really changed my outlook on Islam. I am no longer tolerant of the religion and I don't trust Muslim people." – From commenter Eli
"I cringe when the sound of jets is a little bit too loud, too close, bracing myself. Nothing seems impossible anymore." – From Lauren O'Malley Norris on Facebook
"It cost me friend of 50 years following a heated disagreement over Muslim immigration to Canada. Me in support of and he deeply opposed. Both too stubborn to give in." – From commenter elder lee
"My dad lost his job when Canada 3000 went under in the 9/11 economic aftermath-2 years later we were living in Taipei, Taiwan." – From Mark Fisk on Twitter
"I haven't flown in an airplane since that day." – From commenter Ruthy
"I lost faith in the American people. The country basically crumbled with their towers emotionally." – From commenter lost faith
"Shortly after the attack, I gave up a very decent civilian job, went back in the army, and headed off to serve in Afghanistan." – From commenter TIO
"I was estranged with my family at the time, but it set things in motion for me and I called them that day. We have been close ever since." – From commenter Cathy M