Robert E. Lee's Letter of Resignation from the United States Army

Arlington, Washington City P.O.

20 April 1861

Honb^le Simon Cameron

Sec of War

Sir

I have the honor to tender the resignation of my Commission as Colonel of the 1^st Reg^t of Cavalry

Very resp your obedient servant

R E Lee

Col 1^st Cav

SOURCE: National Archives & Records Administration, Washington, D.C.