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Yes, that’s correct. Joe Biden won the South Carolina primary during the 2020 presidential campaign, which helped him gain momentum in his bid for the Democratic nomination. It was a significant victory for him at the time as South Carolina has a large number of African American voters, a demographic that was crucial in his primary success. Biden won about 49% of the votes, very much ahead of his rivals. He later went on to win the Democratic nomination and the Presidential election.