Historical records for United States of America in 1943, rendered directly from the World History Database and ordered by month, day and event.
Churchill and Roosevelt discuss next phase of war, a decision is made to attack Sicily and Italy in bid to divert German military resources and make good pledge to Stalin for a second front in Europe
Churchill and Roosevelt discuss next phase of war, a decision is made to attack Sicily and Italy in bid to divert German military resources and make good pledge to Stalin for a second front in Europe
Birth of Janis Joplin
Roosevelt & Churchill demand the unconditional surrender of Germany, Italy & Japan. 2nd meeting of US & UK leaders
Sicily will be invaded in July & in August. An Allied strategy is agreed to defeat Germany then Britain will fight against Japan. A joint Allied offensive will be launched on the Contentin Peninsula
The Casablanca Conference agrees Sicily will be invaded in July & in August
The Allies adopt unconditional surrender as their declared objective for Germany, Italy and Japan.
Roosevelt & Churchill demand the unconditional surrender of Germany, Italy & Japan
The US airforce bombs Germany for the 1sr time
Supreme Allied commander for the attack of Sicily & the Axis "underbelly" in Europe
Supreme Allied commander for the attack of Sicily & the Axis "underbelly" in Europe
Groves presses for the first Y-12 electromagnetic racetrack to be completed by July as detailed plant plans are reviewed.
Promoted to temporary full General while commanding Allied forces in North Africa.
Birth of Robert "Bob" Woodward
Birth of Christopher Walken
Construction begins on a plant in Decatur, Illinois, intended to manufacture gaseous-diffusion barrier material for K-25.
Fencing of the Oak Ridge reservation is completed and the secret production site is closed to normal public access.
Serber begins a series of introductory lectures explaining bomb physics and design to the newly arriving Los Alamos scientific staff.
A contract is concluded with the University of California to manage Los Alamos administration, procurement and payroll.
Neddermeyer begins experimental work on implosion as a method of rapidly compressing a hollow fissile assembly.
Birth of David Walker
Roosevelt opens strategic discussions with Churchill at the Trident Conference in Washington
Birth of Mary Wells
The Trident Conference confirms planning for a cross Channel invasion while continuing Mediterranean operations
Churchill & Roosevelt meet in Washington where they agree a cross-Channel invasion (Operation Overlord) to be provisionally be launched on 1 May 1944
Churchill & Roosevelt meet in Washington where they agree a cross-Channel invasion (Operation Overlord) to be provisionally be launched on 1 May 1944
Surveying begins for the massive K-25 gaseous-diffusion uranium-enrichment plant at Oak Ridge.
The Act establishes payroll withholding for federal income-tax payments.
Eisenhowers forces capture the Italian island of Pantelleria
Becomes a naturalized US citizen
Navy Captain William Parsons arrives at Los Alamos to lead the Ordnance Division and direct gun-assembly development.
The Allies begin bombing the airfields of Siciliy as a prelude to invasion
The Allies begin bombing the airfields of Siciliy as a prelude to invasion
The Allies begin bombing the airfields of Siciliy as a prelude to invasion
Neddermeyer conducts the first explosive experiment in the Los Alamos implosion research programme.
The Allied invasion of Sicily begins
Los Alamos begins its first nuclear-physics experiment, measuring plutonium-239 fission-neutron yield and marking the laboratory's transition into active experimental work.
Allied forces land on the Italian mainland at Salerno, almost 400 landing craft and supply ships involved in landings
Commands the 5th Army during the Allied invasion of Sicily
Lands ashore at the head of the 7th Army
Allies land on Sicily (Operation Husky): almost 3,000 landing craft, and supply ships involved in landings
Caputres the Sicillian capital of Palermo
Morgan & COSSAC advise landong in Normandy within the Bay of the Seine close to Caen
Captures Gela during the 1st American landings on Sicily
The Allies complete the capture of Sicily
Arrives at Messina 2 hours ahead of Montgomery
Sicily is in Allied hands after a campaign lasting 38 days & costing 31,000 casualties
Churchill & Roosevelt meet in Quebec, Canada to further discuss Overlord timetable, planning
Churchill & Roosevelt meet in Quebec, Canada to further discuss Overlord timetable, planning
Receives a permanent appointment as Brigadier General in the Regular Army.
Promoted permanently to Major General on the same day as his permanent brigadier-general appointment.
The first Alpha electromagnetic-separation unit at Y-12 begins operation as Oak Ridge expands into full industrial production.
Commands the US First Army during Operation Overlord
Commands the US First Army during Operation Overlord
Italy announces an armistice
Italy's surrender removes the country from the Axis war effort and opens the peninsula to further Allied operations.
Italy surrenders to the Allies
Units of the 5th Army land on the Italian mainland at Salerno
The 5th US Army lands in the Gulf of Salerno as part of an operation to capture Naples
The Los Alamos gun-assembly programme fires its first test shot while concentrating on a high-velocity plutonium gun design.
Oppenheimer proposes recruiting explosives expert George Kistiakowsky to strengthen the expanding implosion programme.
Allied commanders agree to postpone an invasion of Rhodes in order to hold Italy
Ordered by the CCS to take "necessary executive action" to implement Overlord
Leads the 5th Army into Naples
Construction begins for the first reactor at the Hanford Site
The HQ for the 1st US Army opens in England
Operation Rankin could win the war ahead of Operation Overlord
The first concrete is poured for the K-25 gaseous-diffusion plant building at Oak Ridge.
Cables the Combined Chiefs of Staff calling for extra manpower & landing craft
Announces a plan for the post-war rehabilitation & reconstruction of Russia
Offerred 60 Landing Ship Tanks until 15 Dec
Miners go on strike
Meets the Russians & confirms the Allied decision at Quebec to launch Overlord
Project W-47, later called Project Alberta set up to plan delivery of the bomb
Project W-47, later called Project Alberta set up to plan delivery of the bomb
Arrives in England to take command of the First Army
Meets Russian representives & confirms the decision at Quebec to launch Overlord
Project W-47, later called Project Alberta set up to plan delivery of the bomb
Project W-47, later called Project Alberta set up to plan delivery of the bomb
Project W-47, later called Project Alberta set up to plan delivery of the bomb
Opening day of Conference for Allied leaders in Cairo to discuss the war in Asia
Japan will lose Pacific Islands seized since the beginning of World War I. It is agreed to restore all territory lost by the Republic of China. 1st day of bi-lateral talks between Britain & the USA
Deane reports Soviet attitudes and likely strategic aims to the United States Joint Chiefs before the Tehran meeting.
Deane joins the American military delegation bringing recent knowledge of Soviet strategic priorities from Moscow.
Harriman reaches Tehran with Roosevelt's party and prepares for discussions with Soviet and British representatives.
Hopkins accompanies Roosevelt to Tehran and participates in political and strategic discussions during the summit.
Leahy accompanies Roosevelt to Tehran as the President's senior military adviser.
Roosevelt lands at Gale Morghe airfield and proceeds to the American Legation under tight security.
Roosevelt flies from Cairo to Tehran to meet Churchill and Stalin for the first Big Three summit.
Arnold participates in American military planning concerning air power and the coming operations in Europe.
Bohlen provides interpretation during the first private meeting between Roosevelt and Stalin.
Harriman joins the senior Allied leaders for evening talks at the Soviet Embassy.
Hopkins joins Roosevelt in discussions that shape the political atmosphere of the opening summit.
King participates in the American Joint Chiefs review before the first Tehran plenary.
Marshall reviews American support for a cross-Channel invasion before the opening summit discussions.
Roosevelt joins Churchill and Stalin at the first plenary meeting of the Tehran Conference.
Bohlen interprets for Roosevelt during high-level conversations with Stalin and other Soviet representatives.
Roosevelt meets the Joint Chiefs to review American strategic positions before the first plenary session.
Roosevelt moves into the Soviet Embassy compound after security concerns are raised about travel through Tehran.
Roosevelt supports giving the cross-Channel invasion priority in Allied European strategy.
Harriman relays Soviet security concerns and helps persuade Roosevelt to move into the Soviet Embassy compound.
Bohlen interprets during high-level American-Soviet conversations on the conference's second day.
The first B-29 modification work begins at Wright Field to adapt the aircraft for carrying the new atomic weapons.
Harriman joins the senior delegations for Stalin's dinner and the discussions that continue afterward.
Marshall supports concentrating Anglo-American strength on the cross-Channel invasion rather than dispersing resources.
Roosevelt inspects the Sword of Stalingrad after Churchill formally presents it to Stalin.
Roosevelt meets the American Chiefs of Staff before the second plenary session.
Roosevelt joins Churchill and Stalin for the second full plenary meeting of the conference.
Marshall joins British and Soviet military representatives in a morning meeting on coordinated operations.
Arnold reviews air requirements connected with the planned Allied offensives in Europe.
King contributes to discussion of naval resources and landing craft needed for forthcoming Allied operations.
Leahy joins senior American and British military leaders reviewing the remaining strategic questions.
Marshall participates in the Combined Chiefs review before the third Tehran plenary.
Roosevelt hosts Churchill and Stalin for luncheon before the third plenary session.
Roosevelt meets Shah Mohammad Reza Pahlavi during the Tehran Conference and discusses relations with Iran.
Roosevelt presents Churchill with a Kashan bowl during the Prime Minister's birthday dinner.
Roosevelt joins Churchill and Stalin for the third formal plenary meeting.
The Chicago Metallurgical Laboratory produces the first sample of plutonium in metallic form by chemically reducing plutonium fluoride.
The Navy approves Abelson's plan for a liquid thermal-diffusion pilot plant to enrich uranium.
Agreed to mount Overlord & send a diversionary force to the south of France in May 1944
The US Senate recognizes the need for an international peacekeeping organisation. Senate voting is 85-5 in favour
Roosevelt signs the declaration supporting Iran's independence, sovereignty and territorial integrity.
Roosevelt meets Churchill, Stalin and senior advisers for the final day of conference negotiations.
Roosevelt agrees the final communiqué with Churchill and Stalin after the last conference discussions.
Roosevelt accepts the coordinated plan for Overlord and a supporting operation against southern France in 1944.
Roosevelt confirms agreement that Operation Overlord will be launched in May 1944.
Roosevelt opens the Tehran political discussion by hoping Polish-Soviet relations can be restored before final decisions on disputed frontier questions.
Roosevelt, Churchill & Kai-Shek demand Japans unconditional surrender. Roosevelt, Churchill & Kai-Shek demand Japans return to its 1894 boundaries
Roosevelt signs the joint declaration confirming Allied agreement on coordinated military operations against Germany.
The conference concludes that American, British and Soviet military staffs should maintain close contact over forthcoming European operations.
Churchill & Roosevelt agree General Eisenhower will command Allied forces for the invasion of Europe
Churchill & Roosevelt agree Gen Eisenhower will command Allied forces for the planned invasion of Europe, Eisenhowers appointment as Supreme Commander, Allied Expeditionary Force, publicly announced by Roosevelt
Churchill & Roosevelt agree Gen Eisenhower will command Allied forces for the planned invasion of Europe, Eisenhowers appointment as Supreme Commander, Allied Expeditionary Force, publicly announced by Roosevelt
Churchill & Roosevelt agree General Eisenhower will command Allied forces for the invasion of Europe
Churchill & Roosevelt agree Gen Eisenhower will command Allied forces for the planned invasion of Europe, Eisenhowers appointment as Supreme Commander, Allied Expeditionary Force, publicly announced by Roosevelt
Churchill & Roosevelt agree Gen Eisenhower will command Allied forces for the planned invasion of Europe, Eisenhowers appointment as Supreme Commander, Allied Expeditionary Force, publicly announced by Roosevelt
Birth of James Douglas "Jim", Melbourne, Florida, son of Admiral George Stephen Morrison
Birth of Doors vocalist Jim Morrison.
Directs Commanders to divert as many LCS carriers as possible to Overlord & Anvil
Directs Commanders to divert as many LCS carriers as possible to Overlord & Anvil
Following Eisenhowers and Montgomerys revisions it is expanded to landings by 5 divisions and airborne descents by 3 divisions, in total, 47 divisions would be committed to the Battle of Normandy: 19 British, 5 Canadian, 21 US & 1 Free French
In December 1943, Operation Postage Able used an X-craft to collect suitable data for all of the Normandy beaches. Following Eisenhowers and Montgomerys revisions it is expanded to landings by 5 divisions and airborne descents by 3 divisions, in total, 47 divisions would be committed to the Battle of Normandy: 19 British, 5 Canadian, 21 US & 1 Free French
In December 1943, Operation Postage Able used an X-craft to collect suitable data for all of the Normandy beaches
Appointed Supreme Allied Commander for Operation Overlord
Appointed Supreme Allied Commander for Operation Overlord
Appointed Supreme Allied Commander for Operation Overlord at the Cairo Conference
Chemical separation of reactor-produced plutonium begins using irradiated fuel from the X-10 Graphite Reactor.
After repeated failures to operate the first Alpha racetrack reliably, Y-12 is shut down for major equipment rebuilding.
Appointed Ambassador of Russia
Appointed Ambassador of Russia
Appointed Go-between between Roosevelt & Stalin & preserve the Atlantic Charter
Commander of US troops at the Battle of Tunisia
Appointed Army Brigadier General
Appointed Brigadier General
Camp Detrick becomes the principal centre for the United States wartime biological warfare research programme.
Invites Russia to attend the Casablanca Conference but Stalin refuses
Appointed Commander of the II Corps in Tunisia
Appointed Commander of the II Corps in Sicily
Appointed Commander of the II Corps in Tunisia
Appointed Commander of the II Corps in Sicily
Appointed Commander of II US Corps
Appointed Commander of II US Corps
Announces the Allies will only accept the unconditional surrender of the Axis powers. A joint Allied staff COSSAC is set up for invasion of Europe in the Summer of 1944
Assures to the Russians that a second front will open in 1944
Plans a 4 power declaration to establish peace before the peace treaties are signed
Announces the removal of alliances & defines spheres of influence in post-war Europe
Completes a working prototype U.S. Navy four-rotor Bombe capable of attacking German Naval Enigma at high speed.
Stars in, "For Whom the Bell Tolls"
Directs For Whom the Bell Tolls
Appointed Governor of California
A million Americans are shipped to Britain for the Allied invasion of Europe
A joint Allied staff COSSAC is set up for invasion of Europe in the Summer of 1944
Churchill refuses to participate in an Allied invasion of France
Suspended during the invasion of Siciliy for assaulting a shell-shocked soldier
Appointed head of the Manhattan Project by Roosevelt to develop the atomic bomb
Appointed head of the Manhattan Project by Roosevelt to develop the atomic bomb
Roosevelt decides to test Einsteins theory & develop the atomic bomb
Roosevelt decides to test Einsteins theory & develop the atomic bomb
Gaseous diffusion plant development advances uranium enrichment.
Appointed Lieutenant General
Appointed Lieutenant General
Appointed head of the Manhattan Project by Roosevelt to develop the atomic bomb
Appointed head of the Manhattan Project by Roosevelt to develop the atomic bomb
Oron Welles marries Rita Hayworth
Oron Welles marries Rita Hayworth
Develops microwave radar systems for wartime detection and control.
Oversees uranium-enrichment work at Oak Ridge.
A million Americans are shipped to Britain for the Allied invasion of Europe
The invasion of France is called off because of the cost of Operation Torch in Africa
Roosevelt agrees to the British request to invade North Africa, Operation Torch
Opposes Churchills efforts to divide Europe into spheres of influence
Persuades Churchill of the wisdom of a meeting between Roosevelt & Stalin
The Army promoted Shaw to second lieutenant in 1943 after his wartime enlistment.
Appointed Supreme Allied Commander for western Europe. Appointed Supreme Allied Commander for the western Mediterranean. Appointed Supreme Allied Commander for North Africa
Appointed Supreme Allied Commander in western Europe. Appointed Supreme Allied Commander in the western Mediterranean. Appointed Supreme Allied Commander for North Africa
Development efforts were directed to a plutonium gun-type fission weapon called "Thin Man"
Appointed Commanding General 3rd Army
Appointed Under Secretary of State
Calutrons at Y-12 enrich uranium by electromagnetic separation.
This page is generated from stored World History Database records matching the exact country and year shown above. Exact duplicate display records are collapsed. Records without a month are listed after the monthly sections. Source provenance varies by record; formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.