State Republican convention meets in House of Representatives, and unanimously resolves "that Abraham Lincoln is the first and only choice of the Republicans of Illinois for the U.S. Senate." Convention adjourns to meet at 8 P.M. when Lincoln, reading from manuscript, delivers "House Divided" speech. Edwin E. Sparks, ed., The Lincoln-Douglas Debates of 1858 (Springfield, IL: 1908), 22; "A House Divided": Speech at Springfield, Illinois, 16 June 1858, CW, 2:461-69.