This depends on which championships, and which team. See related questions, or re-ask your question.
they went 30 times and won 15 times.
The Wisconsin Badgers Men's Basketball team has a total of 19 Big Ten Championships. (17 Regular Season Championships, two Conference Tournament Championships)
3 times: 1986, 1989 (win), and 2004. Additionally the 1924 Calgary Tigers of the WCHL lost while playing the Montreal Canadiens for the Stanley Cup.
None since the BCS determines the national champion.
Macho man never won a world championship with WWE. He won 2 WWF Championships and WCW world championships 4 times!
4 times winning in 1995 2000 2003 and losing in 2001
Since 1957, the Celtics have reached the NBA Finals 21 times and won 17 championships.
Twice: Calgary, Alberta (1988) and Vancouver, British Columbia (2010).
Nine. 4 WWE championships and 5 World Heavyweight
LeBron James has been to the NBA Finals a total of 3 times and won 1 of those times.
4 times
Four times a day.