17.
Seventeen.
Twelve times. The Celtics have won nine of the championship meetings.
your spelling championship is wrong and 17 times they won
The Boston Celtics have won 17 NBA championships.
The Celtics won in the year 1957.
about 10 or something like that.
Boston Celtics
The Celtics won their championship in Game 6 at the TD Banknorth Garden.
The Boston Celtics have the most number of NBA championship titles with 17.
The Boston Celtics
Boston Celtics
1