Germany invades Poland; Great Britain and France declare war on Germany and the Second World War begins.
A precursor to V-Mail: The British Airgraph service is extended to His Majesty’s Forces, in Aden, Iraq and ships in the Red Sea and Persian Gulf.
Japan attacks Pearl Harbor, and the United States declares war the following day.
Post Office Department issues Order No. 17471 as a directive restricting size, weight, frequency of (military and civilian) mail matter for delivery outside continental U.S.
Congress grants free mail privilege for military personnel on first-class material.
War Department enters into a contract with the Eastman Kodak Company for V-Mail microfilming.
President Roosevelt receives the first two V-Mail letters from Ambassador Winant and Major General Chaney.
V-Mail service officially begins.
Air Mail V-Mail service inaugurated.
VE Day (Victory Day in Europe).
VJ Day (Victory Day in Japan).
Last V-Mail from New York port of embarkation sent to General Eisenhower from Major General Kells.
V-Mail service is discontinued.
Free mail privilege for military personnel ends.