<P> Carolina has enjoyed long success as one of the top basketball programs in the country . Overall, the Tar Heels have won six NCAA National Championships and were retroactively awarded one for the 1923--24 season by the Helms Foundation and the Premo - Porretta Power Poll . </P> <P> Under coach Frank McGuire, the team won its 1st NCAA championship in 1957 . After McGuire left, legendary coach Dean Smith established the team as a powerhouse in college basketball . In 31 years at Carolina, Smith set the record for the most wins of any men's college basketball head coach, a record broken in 2007 by Bob Knight . Under Smith, the Tar Heels won two national championships and had numerous talented players come through the program . Smith is also credited with coming up with the four corners offense . More recently, the Tar Heels won the national championship in 2005, 2009, and 2017 under coach Roy Williams . </P> <Ul> <Li> Head coach: Sylvia Hatchell </Li> <Li> Arena: Carmichael Arena </Li> <Li> ACC Championships: </Li> <Li> National Championships: 1 (1994) </Li> </Ul> <Li> Head coach: Sylvia Hatchell </Li>

How many national championships has north carolina won in basketball