<Tr> <Td> Home </Td> <Td> Away </Td> <Td> Third </Td> </Tr> <P> The Boston Celtics are an American professional basketball team based in Boston, Massachusetts . The Celtics compete in the National Basketball Association (NBA) as a member of the league's Eastern Conference Atlantic Division . </P> <P> Founded in 1946 as one of the original eight NBA teams to survive the league's first decade, the team is owned by Boston Basketball Partners LLC . The Celtics play their home games at the TD Garden, which they share with the National Hockey League (NHL)'s Boston Bruins . </P> <P> The franchise is the most successful in NBA history, with 17 championships, which accounts for 23.9 percent of all NBA championships since the league's founding . As a percentage of championships won, the Celtics are currently the most successful franchise in the major four traditional North American professional sports leagues . </P>

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