2006 United States Senate election in Massachusetts
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| Kennedy:      50–60%      60–70%      70–80%      80–90%      >90% Chase: 50–60% 80–90% | |||||||||||||||||
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| Elections in Massachusetts | 
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| Massachusetts portal | 
The 2006 United States Senate election in Massachusetts was held November 7, 2006. Incumbent Democrat Ted Kennedy won re-election to his ninth (his eighth full) term. This would be Kennedy's last election to the Senate; he died three years later of brain cancer, with which he was diagnosed in 2008. Senator Kennedy was the fourth longest-serving Senator in U.S. history, having served for nearly 47 years.