<Table> <Tr> <Th colspan="2"> Boston Celtics </Th> </Tr> <Tr> <Td colspan="2"> <Table> <Tr> <Td> </Td> <Td> 2018 -- 19 Boston Celtics season </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th> Conference </Th> <Td> Eastern </Td> </Tr> <Tr> <Th> Division </Th> <Td> Atlantic </Td> </Tr> <Tr> <Th> Founded </Th> <Td> 1946 </Td> </Tr> <Tr> <Th> History </Th> <Td> Boston Celtics 1946 -- present </Td> </Tr> <Tr> <Th> Arena </Th> <Td> TD Garden </Td> </Tr> <Tr> <Th> Location </Th> <Td> Boston , Massachusetts </Td> </Tr> <Tr> <Th> Team colors </Th> <Td> Green , gold , black , brown , white </Td> </Tr> <Tr> <Th> Main sponsor </Th> <Td> General Electric </Td> </Tr> <Tr> <Th> President </Th> <Td> Rich Gotham </Td> </Tr> <Tr> <Th> General manager </Th> <Td> Danny Ainge </Td> </Tr> <Tr> <Th> Head coach </Th> <Td> Brad Stevens </Td> </Tr> <Tr> <Th> Ownership </Th> <Td> Boston Basketball Partners ( Wyc Grousbeck , CEO and governor ) </Td> </Tr> <Tr> <Th> Affiliation ( s ) </Th> <Td> Maine Red Claws </Td> </Tr> <Tr> <Th> Championships </Th> <Td> 17 ( 1957 , 1959 , 1960 , 1961 , 1962 , 1963 , 1964 , 1965 , 1966 , 1968 , 1969 , 1974 , 1976 , 1981 , 1984 , 1986 , 2008 ) </Td> </Tr> <Tr> <Th> Conference titles </Th> <Td> 21 ( 1957 , 1958 , 1959 , 1960 , 1961 , 1962 , 1963 , 1964 , 1965 , 1966 , 1968 , 1969 , 1974 , 1976 , 1981 , 1984 , 1985 , 1986 , 1987 , 2008 , 2010 ) </Td> </Tr> <Tr> <Th> Division titles </Th> <Td> 22 ( 1972 , 1973 , 1974 , 1975 , 1976 , 1980 , 1981 , 1982 , 1984 , 1985 , 1986 , 1987 , 1988 , 1991 , 1992 , 2005 , 2008 , 2009 , 2010 , 2011 , 2012 , 2017 ) </Td> </Tr> <Tr> <Th> Retired numbers </Th> <Td> 22 ( 00 , 1 , 2 , 3 , 6 , 10 , 14 , 15 , 16 , 17 , 18 , 19 , 21 , 22 , 23 , 24 , 25 , 31 , 32 , 33 , 34 , 35 , LOSCY ) </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.nba.com/celtics </Td> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Td colspan="2"> <Table> <Tr> <Td> Home </Td> <Td> Away </Td> <Td> Third </Td> </Tr> <Tr> </Tr> </Table> </Td> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> </Table>
<Table> <Tr> <Th colspan="2"> Boston Celtics </Th> </Tr> <Tr> <Td colspan="2"> <Table> <Tr> <Td> </Td> <Td> 2018 -- 19 Boston Celtics season </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th> Conference </Th> <Td> Eastern </Td> </Tr> <Tr> <Th> Division </Th> <Td> Atlantic </Td> </Tr> <Tr> <Th> Founded </Th> <Td> 1946 </Td> </Tr> <Tr> <Th> History </Th> <Td> Boston Celtics 1946 -- present </Td> </Tr> <Tr> <Th> Arena </Th> <Td> TD Garden </Td> </Tr> <Tr> <Th> Location </Th> <Td> Boston , Massachusetts </Td> </Tr> <Tr> <Th> Team colors </Th> <Td> Green , gold , black , brown , white </Td> </Tr> <Tr> <Th> Main sponsor </Th> <Td> General Electric </Td> </Tr> <Tr> <Th> President </Th> <Td> Rich Gotham </Td> </Tr> <Tr> <Th> General manager </Th> <Td> Danny Ainge </Td> </Tr> <Tr> <Th> Head coach </Th> <Td> Brad Stevens </Td> </Tr> <Tr> <Th> Ownership </Th> <Td> Boston Basketball Partners ( Wyc Grousbeck , CEO and governor ) </Td> </Tr> <Tr> <Th> Affiliation ( s ) </Th> <Td> Maine Red Claws </Td> </Tr> <Tr> <Th> Championships </Th> <Td> 17 ( 1957 , 1959 , 1960 , 1961 , 1962 , 1963 , 1964 , 1965 , 1966 , 1968 , 1969 , 1974 , 1976 , 1981 , 1984 , 1986 , 2008 ) </Td> </Tr> <Tr> <Th> Conference titles </Th> <Td> 21 ( 1957 , 1958 , 1959 , 1960 , 1961 , 1962 , 1963 , 1964 , 1965 , 1966 , 1968 , 1969 , 1974 , 1976 , 1981 , 1984 , 1985 , 1986 , 1987 , 2008 , 2010 ) </Td> </Tr> <Tr> <Th> Division titles </Th> <Td> 22 ( 1972 , 1973 , 1974 , 1975 , 1976 , 1980 , 1981 , 1982 , 1984 , 1985 , 1986 , 1987 , 1988 , 1991 , 1992 , 2005 , 2008 , 2009 , 2010 , 2011 , 2012 , 2017 ) </Td> </Tr> <Tr> <Th> Retired numbers </Th> <Td> 22 ( 00 , 1 , 2 , 3 , 6 , 10 , 14 , 15 , 16 , 17 , 18 , 19 , 21 , 22 , 23 , 24 , 25 , 31 , 32 , 33 , 34 , 35 , LOSCY ) </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.nba.com/celtics </Td> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Td colspan="2"> <Table> <Tr> <Td> Home </Td> <Td> Away </Td> <Td> Third </Td> </Tr> <Tr> </Tr> </Table> </Td> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> </Table>
when was the last time celtics won a championship
when was the last time celtics won a championship
2008
2008