[OFFICIAL.] WAR DEPARTMENT, WASHINGTON April 9, 1865 -- 9 o'clock P.M. To Maj.-Gen. Dix: This department has received the official report of the SURRENDER, THIS DAY, OF GEN. LEE AND HIS ARMY TO LIEUT.- GEN. GRANT on the terms proposed by Gen. GRANT. Details will be given as speedily as possible. EDWIN M. STANTON, Secretary of War. HEADQUARTERS ARMIES OF THE UNITED STATES, 4:30 P.M., April 9. Hon. Edwin M. Stanton, Secretary of War: GEN. LEE SURRENDERED THE ARMY OF NORTHERN VIRGINIA THIS AFTERNOON, upon the terms proposed by myself. The accompanying additional correspondence will show the conditions fully. (Signed)...