I was 7 when it happened, and we didn't get freaked out, but we understood what was going on. Everybody was just kinda goin, "Woah. That sucks, look at how many people died." You may not think so, but 7-year olds can comprehend a good amount of info. I don't wanna make you feel old, but a few years ago we watched one of the "Duck and Cover" videos in my history class. They got pretty violent in it too. People were slamming into brick walls to duck and cover! So guess what we did for the next few weeks? Mature high school students