 
 <translate> I got a question for you: In the 1979 -- 80 season, after having tested it in the previous pre-season, the NBA adopted the three-point line despite the view of many that it was a gimmick. Chris Ford of the Boston Celtics is widely credited with making the first three-point shot in NBA history on October 12, 1979. Kevin Grevey of the Washington Bullets also made one on the same day.

Based on this passage, when did the nba institute the 3 point shot?
Let's think first: <hau> Ina da wata tambaya a gare ku: A kakar wasa ta 1979 zuwa 1980, bayan da aka gwada shi a kakar wasa ta baya, NBA ta dauki layin maki uku duk da ra'ayin da mutane da yawa suke da shi cewa abin wasa ne. Chris Ford na Boston Celtics an ba shi daraja sosai don yin harbi na farko a cikin tarihin NBA a ranar 12 ga Oktoba, 1979. Kevin Grevey na Washington Bullets shi ma ya yi daya a wannan rana.  Bisa ga wannan nassi, a wane lokaci ne NBA ta kafa harbi na maki uku? Bari mu fara tunani: 