After center Bill Russell joined the Celtics in 1956, the team became a dominant dynasty, winning 11 NBA titles in 13 seasons between 1957 and 1969. They won eight consecutive NBA championships from 1959 to 1966. It remains the longest streak of consecutive championships in U.S. professional sports history.
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The Boston Celtics won a record 8 in a row from 1959-1966. They have won a total of 17 NBA Championships.