The celtics have never been won.
Twelve times. The Celtics have won nine of the championship meetings.
your spelling championship is wrong and 17 times they won
check on google.... .... retard
Since 1957, the Celtics have reached the NBA Finals 21 times and won 17 championships.
about 10 or something like that.
The Celtics won three championships during the 1980s -- in 1980-81, 1983-84 and 1985-86.
I'm pretty sure it twice. The lakers are 2-8 verse the celtics in the finals.
The Boston Celtics have won 17 times. LA Lakers are in second with 16 wins.
17
The Boston Celtics have won the most NBA Championships with 17.
As of the end of the 2009-2010 NBA season, the Bolton Celtics have won 17 championships.
17.