Just like the Kennedy Assassination and Pearl Harbor before it, 9/11 is a day that will live in infamy for Americans of this generation.
We want to know where you were and what you were doing when you heard about the horrific events unfolding that day.
Also, did the events of 9/11 change your life? If so, how?
Do you intend to mark the 10th anniversary? How best do you think those who died that day should be honored?
Please leave your comments below (include your name and hometown), or if you have a longer submission, please email it to firstname.lastname@example.org.