I can remember clear as a bell seeing this repeated over and over again on national television that day. It is perhaps a blessing, or a curse, of the video age that so many of the tragic events of the past thirty-some years — the attempted assassinations of President Reagan and Pope John Paul II, the Challenger disaster, and, of course, 9/11 — are preserved for us to relive time after time.
Re-posed from last year

A very sad moment in the history of NASA and all the world.
I was a senior at Hampden-Sydney, in the library, when I got word. I vividly remeber the name of the guy who told me, and thought he was telling a really bad joke.
I would also add Sadat’s assassination and the Air Florida crash to your list.