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In page Jefferson Davis:

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In 1840, Davis first became involved in politics when he attended a Democratic Party meeting in Vicksburg and, to his surprise, was chosen as a delegate to the party's state convention in Jackson. In 1842, he attended the Democratic convention, and, in 1843, became a Democratic candidate for the state House of Representatives from the Warren County-Vicksburg district; he lost his first election.[16] In 1844, Davis was sent to the party convention for a third time, and his interest in politics deepened. He was selected as one of six presidential electors for the 1844 presidential election and campaigned effectively throughout Mississippi for the Democratic candidate James K. Polk.[17]