There should be an image here!According to History.com:

On this day in 1980, 350 million people around the world tune in to television’s popular primetime drama “Dallas” to find out who shot J.R. Ewing, the character fans loved to hate. J.R. had been shot on the season-ending episode the previous March 21, which now stands as one of television’s most famous cliffhangers. The plot twist inspired widespread media coverage and left America wondering “Who shot J.R.?” for the next eight months. The November 21 episode solved the mystery…

So where were you when they shot J.R.?