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In page John Wesley Davis:

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He served as a U.S. Representative from Indiana in the 24th, 26th, 28th and 29th Congresses and was Speaker of the U.S. House in the 29th Congress.[1] From 1848 to 1850 he was U.S. Diplomatic Commissioner to China.[1] In 1852 he was a delegate to the Democratic National Convention from Indiana.[1]