President receives telegram from Prof. Lowe in balloon "Enterprise" over Columbia Armory grounds: "This point of observation commands an area near fifty miles in diameter. . . . I have the pleasure of sending you this first dispatch ever telegraphed from an aerial station." N.Y. Tribune, 19 June 1861.

Interviews Gen. Butler, Democrat who is dissatisfied with recognition given him by Gen. Scott. Butler, Correspondence, 241-42.

Cabinet meeting on promotions in regular army. N.Y. Times, 19 June 1861.

Lincoln confers with Sen. James H. Lane (Kans.) and several members of Congress about accepting new regiments from western states. N.Y. Times, 20 June 1861.

John G. Nicolay, private secretary to President, returns from vacation. Nicolay to Bates, 18 June 1861, John G. Nicolay Papers, Library of Congress, Washington, DC.