What was the last year the Celtics won the Finals?
2008
2021
2021
2021
2021
2016
1990
1996
2016
1995
1990
1996
2016
2000
1995
1990
1996
2016
2000
1995
1990
1996
2016
1998
2000
1997
1991
1995
2008
1990
1996
2016
1980
1998
2006
2000
1997
1991
1995
2008
1990
1996
2016
1980
1999
1986
1993
1998
1994
2006
1989
2017
2000
1997
1987
2002
1991
1995
2008
1976
2007
2004
1990
1996
2016
1980
1999
1988
1986
1993
1998
1994
2006
2015
1989
2017
2000
1997
1987
2002
1991
1992
1995
2008
1976
2007
2010
2004
1990
1996
2016
2001
1980
1999
1988
1986
1993
1998
2009
1994
2006
2015
1989
2017
2000
1997
1987
2002
1991
1992
1995
2008
1975
1976
2007
2010
2014
2004
1990
1996
2016
2003
2001
1985
1980
2018
1999
1988
2023
1986
1967
2022
1993
1998
2009
1994
2006
2015
1989
2017
2000
1997
1987
2002
1991
1992
1995
2008
1975
1976
2007
2010
2014
2004
1990
1996
2013
2016
2003
2001
1985
1980
2018
2026
1999
1988
1970
2012
1986
1967
1982
1993
1998
2009
2005
1994
2006
2023
2015
1989
2022
2017
2000
1997
1987
2002
1991
1992
1995
2008
1975
1976
2007
2010
2014
2004
1990
2013
2003
2001
1999