1933 In Miami, Florida, Giuseppe Zangara attempts to assassinate President-elect Franklin D. Roosevelt, but instead shoots Chicago, Illinois Mayor Anton J. Cermak, who dies of his wounds on March 6, 1933.
1933 Great Depression: President Franklin D. Roosevelt declares a "bank holiday", closing all U.S. banks and freezing all financial transactions.
1933 Great Depression: President Franklin D. Roosevelt submits the Emergency Banking Act to Congress, the first of his New Deal policies.
1933 Great Depression: Franklin D. Roosevelt addresses the nation for the first time as President of the United States. This was also the first of his "fireside chats".
1933 Great Depression: Banks in the U.S. begin to re-open after President Franklin D. Roosevelt mandates a "bank holiday".
1933 Giuseppe Zangara is executed in Florida's electric chair for fatally shooting Anton Cermak in an assassination attempt against President Franklin D. Roosevelt.
1933 New Deal: President Franklin D. Roosevelt signs an act creating the Tennessee Valley Authority.
1934 New Deal: U.S. President Franklin D. Roosevelt signs the Securities Act of 1933 into law, establishing the U.S. Securities and Exchange Commission.
1934 President Franklin D. Roosevelt signs the Federal Credit Union Act, which establishes credit unions.
1935 The National Labor Relations Act, which governs labor relations in the United States, is signed into law by President Franklin D. Roosevelt.
1938 The March of Dimes is established by President Franklin D. Roosevelt.
1938 President Franklin D. Roosevelt dedicates the Eternal Light Peace Memorial and lights the eternal flame at Gettysburg Battlefield.
1938 The Thousand Islands Bridge, connecting New York State, United States with Ontario, Canada over the St. Lawrence River, is dedicated by U.S. President Franklin D. Roosevelt.
1939 Albert Einstein and Leó Szilárd write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan project to develop a nuclear weapon.
1940 World War II: U.S. President Franklin D. Roosevelt denounces Italy's actions with his "Stab in the Back" speech at the graduation ceremonies of the University of Virginia.
1940 U.S. President Franklin D. Roosevelt signs the Hatch Act of 1939, limiting political activity by Federal government employees.
1940 Franklin D. Roosevelt is elected to a third term as President of the United States.
1941 World War II: President Franklin D. Roosevelt signs the Lend-Lease Act into law, allowing American-built war supplies to be shipped to the Allies on loan.
1941 In Washington, D.C., the National Gallery of Art is officially opened by President Franklin D. Roosevelt.
1941 World War II: U.S. President Franklin D. Roosevelt proclaims an "unlimited national emergency".
1941 World War II: in response to the Japanese occupation of French Indo-China, US President Franklin D. Roosevelt orders the seizure of all Japanese assets in the United States.
1941 Charles Lindbergh's Des Moines Speech accusing the British, Jews and the Roosevelt administration of pressing for war with Germany.
1941 U.S. President Franklin D. Roosevelt signs a bill establishing the fourth Thursday in November as Thanksgiving Day in the United States.
1942 World War II: President Franklin D. Roosevelt signs the executive order 9066, allowing the United States military to relocate Japanese-Americans to Japanese internment camps.
1942 World War II: President Franklin D. Roosevelt orders General Douglas MacArthur out of the Philippines as the Japanese victory becomes inevitable.
1943 World War II: Franklin D. Roosevelt and Winston Churchill begin the Casablanca Conference to discuss strategy and study the next phase of the war.
1943 World War II: Franklin D. Roosevelt and Winston Churchill conclude a conference in Casablanca.
1943 U.S. President Franklin D. Roosevelt, in an attempt to check inflation, freezes wages and prices, prohibits workers from changing jobs unless the war effort would be aided thereby, and bars rate increases by common carriers and public utilities.
1943 World War II: British Prime Minister Winston Churchill and U.S. President Franklin D. Roosevelt set Monday, May 1, 1944 as the date for the Normandy landings ("D-Day"). It would later be delayed over a month due to bad weather.
1943 World War II: First Québec Conference of Winston Churchill, Franklin D. Roosevelt, and William Lyon Mackenzie King begins.
1943 World War II: U.S. President Franklin D. Roosevelt closes down the Works Progress Administration, because of the high levels of wartime employment in the United States.
1944 U.S. President Franklin D. Roosevelt signs into law the Servicemen's Readjustment Act of 1944, commonly known as the G.I. Bill.
1944 Franklin D. Roosevelt and Winston Churchill meet in Quebec as part of the Octagon Conference to discuss strategy.
1944 Franklin D. Roosevelt elected for a record fourth term as President of the United States of America
1944 World War II: U.S. President Franklin D. Roosevelt announces the 6th War Loan Drive, aimed at selling $14 billion USD in war bonds to help pay for the war effort.
1945 President Franklin D. Roosevelt meets with King Ibn Saud of Saudi Arabia aboard the USS ''Quincy'', officially starting the U.S.-Saudi diplomatic relationship.
1945 U.S. President Franklin D. Roosevelt dies while in office; vice-president Harry Truman is sworn in as the 33rd President.