He's missing this. 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966 Boston Celtics What Happened: There were only 7 other teams in the NBA The Footnote: There were only 7 other teams in the NBA The Verdict: There were only 7 other teams in the NBA There were 8 other teams in 62, 63, 64, 65, and 66.