The main difference for the history of the world if I had been shot rather than Kennedy is that Onassis probably wouldn't have married Mrs Khrushchev.
Nikita KhrushchevThe two most powerful nations of the world had been squared off against each other, each with its finger on the button. You'd have thought that war was inevitable. But both sides showed that if the desire to avoid war is strong enough, even the most pressing dispute can be solved by compromise. And a compromise over Cuba was indeed found.
Nikita Khrushchev