The oldest known videotape

1958.  President Eisenhower visits NBC studios.  David Sarnoff pushes a button, and the world goes from black and white to color.

Posted at About Last Night, which has a quite interesting essay about early autochrome technology, via.

After watching this video, I wondered when it was that I first viewed color television.  Our family was an early adopter of B&W television in about 1950, but I don't recall when I first saw a program in color.