Yes @QuittingGirl, we Canadians will also never forget & mark the solem anniversary each year. A number of Canadians were also in the towers that day as well. No one I personally knew though. Canada also played a role in the aftermath by having American International flights land in Gander, Newfoundland due to the no-fly order in US airspace that lasted a few days.
The locals in Gander opened their houses to these shocked, stranded American passengers and treated them like family until they were allowed to go home. They cooked for them and offered additional clothing and a number of other things that were needed due to the unexpected delay for the passengers. What happened during those days between the passengers & locals was nothing short of miraculous! Life long frienships made between people who under normal circumstances would never have even met. To this days a number ofthose passengers have come back to Gander to renew their friendships with those who cared for them during thos horrible days. They even made a broadway type play about this called "Come From Away"; which is Newfoundland speak for "visitor that lives elsewhere".
The felling of the towers by terrorists was truly evil and devastating but amongst the anger & sorrow there was something good, some human goodness that did come about and although it was little known at the time, it stands as a beacon to mankind that there is still goodness in humanity and it tends to rise up during the worst of times.
May all those who perished that day R.I.P and yes; We Sall Never Forget!