your spelling championship is wrong and 17 times they won
The celtics have never been won.
17.
Seventeen.
none. The Boston Celtics were never in the ABA.
17 championships
Together, they have won 32 Titles.
The Boston Celtics have won 17 NBA championships.
By the conclusion of the 2010_NBA_Finals, the Lakers and Celtics will have met a total of 12 times.To date, Boston has won nine and LA two (with the Celtics having won the first eight meetings).
17 championships
ZERO
Twelve times. The Celtics have won nine of the championship meetings.
The 2011 NBA season has passed and the Celtics won many of their games in that season.