title: WWC Universal Heavyweight Championship
context: Following this Burke would go on to feud with Juan Rivera who at the time was referred to as "TNT". Both wrestlers had been involved in a mid-card feud prior to this. Rivera won the championship on February 9, 1990, eventually losing it to Abdullah the Butcher, who lost it to Colón. The title was held up numerous times in 1991, as part of feuds between Colón, Greg Valentine and Dino Bravo.[1]
question: When did Juan Rivera win the WWC Universal Heavyweight title?
answers: February 9, 1990