The Common Struggle Against Fascism

Personal and most secret message from Winston Churchill and Franklin D. Roosevelt to Joseph Stalin on the date of Operation Overlord

18 April 1944
Russian State Archive of Social and Political History

In accordance with our talks in Teheran, the general debarkation will take place around date R, which Generals Dean and Burrows were recently instructed to communicate to the Soviet General Headquarters...

Approximately in mid-May, we will mount a major offensive in Italy.