The networks dropped their schedules and stayed on the air for four days without commercials — the first time American television had done anything like it. Walter Cronkite's on-air confirmation, taking off his glasses to check the clock, is the version most people carry.
Two days later Lee Harvey Oswald was shot by Jack Ruby in the basement of Dallas police headquarters, live, while being transferred. It was the first killing broadcast as it happened to a national audience.
The funeral on 25 November was watched by an estimated audience larger than any previous television event in the United States.