Statistics for occurrence #1 of “Gov. Trusten Polk” in entry united-states-of-america-missouri of Harper's Encyclopedia of United States History:

... Senator, Henry S. Geyer, of St. Louis, Whig, defeats Thomas H. Benton......Jan. 22, 1851 Destruction of the , a newspaper published at Parkville, by a pro-slavery faction......April 14, 1855 Gov. Trusten Polk resigns to become United States Senator......March, 1857 Dred Scott and family emancipated by Taylor Blow, under deed for that purpose from the family of Calvin C. Chaffee, who inherited then.......
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