I was 12 when Kennedy was killed. To me personally, that seems to have been much more of a watershed, a change of mentality, than 9/11. But part of this could be because, with hindsight, we know (or can imagine) some of the ramifications of JFK’s assassination, while we as yet have little idea what the more far-reaching results of 9/11 might be.
In 1963, the US was upbeat. There were problems, but we felt we could resolve them. We would beat those damn Russkies. The colored (as they were then known) were making great strides. Eventually poverty would be beaten.
JFK’s murder was a blow straight to the heart of America. It shook our confidence and self-image. But its impact seemed to become even greater as time went on, as RFK and MLK were also killed, the ghettos erupted, and the Vietnam War spiralled out of control.
In back of all this there was the feeling of “What if?” Maybe if Kennedy had survived, he wouldn’t have gotten bogged down in Vietnam. Maybe, with his charisma, he could have calmed the ghettos. Nixon would never have gotten near the White House. This may all be just wishful thinking, but we’ll never know.
Also, I think there was the feeling that somehow, we did it to ourselves. Although Oswald was a commie, he was also an American. As the Stones said, “I shouted out “Who killed the Kennedys?” when after all, it was you and me.”
9/11 instead is like Pearl Harbor, in that we were attacked by outsiders. While it shakes our sense of security, it doesn’t, I think, shake our self-confidence, and our image of who we are as a nation, quite as much as the Kennedy assassination did.
The ultimate significance of 9/11 won’t be known for decades. If the War in Iraq becomes a debacle, if the US economy continues to spiral downward, if nuclear war erupts in the Mideast or between India and Pakistan partly as a result, it will be seen as much more significant than if those things don’t happen.