March 21, 1980 – On this day in 1980, J.R. Ewing, the character millions love to hate on television’s popular prime-time drama Dallas, is shot by an unknown assailant. The shooting made the season-ending episode one of TV’s most famous cliffhangers, inspired widespread media coverage and left America wondering “Who shot J.R.?” for the next eight months. On November 21, 1980, the premiere episode of Dallas’s third season solved the mystery, identifying Kristin Shepard, J.R.’s mistress (and his wife’s sister), as the culprit.