In his annual message to Congress, President Roosevelt announces the "Five Freedoms".
US budget includes $17,500,000,000 defence appropriation.
Roosevelt introduces his 'Lend Lease' bill to the House of Representatives as House Resolution 1776 (H.R. 1776), after recognising that neither Britain or China could continue paying indefinitely for material supplied. This allowed the fighting allies to pay the USA back in kind, but after the war. He likened this to 'lending a neighbour a garden hose to put out a fire'.
The USA informs the Soviet Union that the "moral embargo" imposed on it after its 1939 attack on Finland no longer applies.
In Washington, the US and British military leaders begin secret staff talks regarding co-ordination of a common war policy against Germany.
The US Navy is reorganised in to the Atlantic, Pacific and Asiatic fleets and ordered to gradually bring ship crews up to war establishment.
The House of Representatives passes H.R. 1776 by a vote of 260 to 165.
The US Senate passes the 'Lend Lease' bill by 60 votes to 31.
The US House of Representatives passes the 'Lend Lease' Bill by 317 votes to 71, where upon it is immediately signed by President Roosevelt. Initial priority for war supplies was to be given to Britain and Greece.
Roosevelt broadcasts to the nation announcing ‘the end of compromise with tyranny’.
After 2 months and 14 separate meetings, the US and British staff conference ends with a basic framework for US-British co-operation should the USA be drawn in to the war. Most importantly an agreement was made that Germany should be defeated first.
A US scientific/military team arrives in the Danish colony of Greenland, to consider the establishment of military bases there.
Roosevelt extends the Pan-American security zone in the Atlantic from 60°W to 26°W.
US troops land in Greenland.
Roosevelt announces an indefinite extension of US Atlantic patrols.
US Secretary for War advocates US Navy protection for British supply convoys.
Japan makes proposals to the USA in order to improve relations. They demand that the USA stop supplying war materials to China and that they normalise trade relations. These are rejected by the USA, although both sides agree to continue talks.
Roosevelt tells Vichy France to ‘choose between Germany and US’.
German Navy Chief, Admiral Raeder warns that US convoying of British war supplies would be considered an act of war.
President Roosevelt declares unlimited national emergency; calls upon all Americans to resist Hitlerism.
Roosevelt says Neutrality Act to be repealed.
US House Appropriations committee introduces largest Army expenditure bill since the First World War at S10,000 million.
President Roosevelt orders the freezing of all German and Italian assets, as well as those of occupied countries.
The US State Department orders the closing by the 10th July of all German consular offices and tourist agencies in the United States. Italians closed down on 19th June.
President Roosevelt, in a message to Congress, denounces the sinking of the American merchant ship Robin Moor by U-69 as 'an act of piracy'.
US Under-Secretary of State, backs Churchill’s aid-for-Russia policy.
Vannevar Bush is named as director of the Office of Scientific Research and Development (OSRD), which has just been created by President Roosevelt.
In and Independence Day broadcast, Roosevelt warns the American public that the USA 'will never survive as a happy and prosperous oasis in the middle of a desert of dictatorship'.
A US airbase is established at Argentia in Newfoundland.
America freezes all Japanese assets in the US.
Roosevelt stops US oil supplies to the ‘aggressors’.
US and USSR agree on US aid.
The Japanese foreign minister, Admiral Nomura, proposes to the USA a meeting between Roosevelt and Prime Minister Konoye.
US Senate extends National Service to 18 months.
Prime Minister Winston Churchill, on board HMS Prince of Wales arrives in Placentia Bay, Newfoundland to meet with President Roosevelt for the Atlantic Conference.
Churchill and Roosevelt sign the Atlantic Charter, an eight-point declaration of peace aims.
The USA reply's to Admiral Nomura's proposals of the 6th August, rejecting any high level meeting until the present differences between Japan and the USA have been resolved.
As a result of U652's attack on the US destroyer Greer, President Roosevelt warns German and Italian vessels that from now on, if they enter the Pan-American security zone, they do so at there own risk.
The US announce that it will provide escort for ships carrying Lend-Lease material up to 26°W, which meant that clashes with U-boats would become more likely.
The US allocates $100,000,000 to the Soviet Union for the purchase of war materials.
The first liberty ship, the 'Patrick Henry' is launched at Baltimore naval dockyard.
In a letter to Stalin, President Roosevelt promises U.S. military aid to the Soviet Union.
President Roosevelt in a message to Congress urges the repeal of Section 6 of the Neutrality Act which would allow the arming of U.S. merchant ships against "the modern pirates of the sea", the U-boats.
Admiral Harold R Stark, US chief of Naval Operations warns of potential hostilities between Japan and the USSR and possibly between Japan and the USA.
US House representatives allow merchantmen to be armed.
Roosevelt claims ‘America has been attacked. The shooting has started’, when referring to German naval aggression during his Navy Day broadcast.
President Roosevelt approves the appropriation by Congress of an additional $6 billion in Lend-Lease aid to Britain and the Soviet Union.
US gives Russia $1,000m interest free loan.
President Roosevelt announces the arming of American merchant vessels carrying Lend-Lease cargo to Britain. The US Congress and Senate, vote by a small majority to repeal the 1939 Neutrality Act.
A Japanese special negotiator arrives in Washington.
U.S. secretary of state puts his final proposal to the Japanese.
The Japanese Embassy in Washington begins to leave, destroying code books and personal files in the process.
President Roosevelt sends a last minute plea to the Japanese Emperor for peace.
The US begins mobilisation.
President Roosevelt addresses the U.S. Congress, saying that December 7 is "a date that will live in infamy." After a vote of 82-0 in the U.S. Senate, and 388-1 in the House, in favor of declaring war on Japan, Roosevelt signs the declaration of war.
In response to Germany and Italy's declaration of war, the US reciprocates and declares war on both Germany and Italy. Costa Rica, Cuba, the Dominican Republic and Nicaragua also declare war on Germany and Italy.
US declares war on Hungary, Romania and Bulgaria after receiving those country's declarations of war against the US.
US Secretary of the Navy tells Congress that 2,729 were killed during the Japanese attack on Pearl Harbour.
Colombia severs diplomatic relations with Germany and Italy.
Prime Minister Churchill arrives at the White House as the guest of President Roosevelt for the Washington Conference.
Concerned about the safety of the founding documents of the United States in wartime Washington, the Declaration of Independence and the Constitution are removed from their display space at the National Archives and are transported in a special sealed container to temporary storage at the U.S. Gold Depository at Ft. Knox, Kentucky. On Oct. 1, 1944, with the danger to the mainland United States passed, the documents are returned to public display in Washington.
Churchill addresses Joint Session of Congress and receives a rousing ovation, but says allied offensive must wait until 1943.