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Polk(pōk), James Knox 1795-1849.
The 11th president of the United States (1845-1849), whose term was marked by the Mexican War (1846-1848) and the establishment of the 49th parallel as the country's northern border (1846).
(Biography) James Knox. 1795–1849, US statesman; 11th president of the US (1845–49). During his administration, Texas and territory now included in New Mexico, Colorado, Utah, Nevada, Arizona, Oregon, and California were added to the Union
James Knox, 1795–1849, the 11th president of the U.S. 1845–49.