High Quality Content by WIKIPEDIA articles! Davenport, Iowa, was part of the Louisiana Purchase. In 1814, during the War of 1812 the British military, along with the Saux and Fox Indian tribes fought against the Americans near Davenport. In August, Major Zachary Taylor, later President, fought a battle east of what is now Credit Island Park, in Davenport. An outpost was set up at Fort Armstrong and George Davenport and Antonie LeClaire were stationed there.