...n by boat, thence to Springfield by rail......April 26, 1861 U. S. Grant tenders his services to Governor Yates, and is assigned to command of camps Yates, Grant, and Douglas......April, 1861 Stephen A. Douglas dies at Chicago, aged forty-eight......June 3, 1861 A convention chosen to form a new constitution meets Jan. 7, 1862; assumes legislative powers, ratifies the Thirteenth Amendment to the Constit...