Final answer:
The New York Knicks have won 2 NBA championships in their history, specifically in the years 1970 and 1973.
Step-by-step explanation:
The New York Knicks have won a total of 2 NBA championships. The Knicks won their titles in 1970 and 1973. During these championship seasons, the Knicks played basketball that was both team-oriented and defensively sound, leading them to secure the NBA title.
Correctly identifying the number of championships won by the Knicks involves remembering key historical moments in the NBA.