1940 in the United States

Decades:	1920s; 1930s; 1940s; 1950s; 1960s;
See also:	; History of the United States (1918–1945); Timeline of United States history (1930–1949); List of years in the United States;

Events from the year 1940 in the United States.

Events

January–March

February 7 – RKO release Walt Disney's second full-length animated film, Pinocchio.
March – Truth or Consequences debuts on NBC Radio.

April–June

April 7 – Booker T. Washington becomes the first African American to be depicted on a United States postage stamp.
April 12 – Opening day at Jamaica Racetrack features the use of pari-mutuel betting equipment, a departure from bookmaking heretofore used exclusively throughout New York state. Other NY tracks follow suit later in 1940.
April 21 – Take It or Leave It makes it debut on CBS Radio, with Bob Hawk as host.
April 23 – A fire at the Rhythm Night Club in Natchez, Mississippi kills 198.
May 15 – The very first McDonald's restaurant opens in San Bernardino, California.
May 16 – U.S. President Franklin D. Roosevelt, addressing a joint session of Congress, asks for an extraordinary credit of approximately $900 million to finance construction of at least 50,000 airplanes per year.
May 29 – The Vought XF4U-1, prototype of the F4U Corsair U.S. fighter later used in WWII, makes its first flight.
June 10 – U.S. President Franklin D. Roosevelt denounces Italy's actions with his "Stab in the Back" speech during the graduation ceremonies of the University of Virginia.
June 14 – U.S. President Franklin D. Roosevelt signs the Naval Expansion Act into law, which aims to increase the United States Navy's tonnage by 11%.
June 16 – The Sturgis Motorcycle Rally is held for the first time in Sturgis, South Dakota.
June 24 – U.S. politics: The Republican Party begins its national convention in Philadelphia and nominates Wendell Willkie as its candidate for president.

July–September

July 15 – U.S. politics: The Democratic Party begins its national convention in Chicago, and nominates Franklin D. Roosevelt for an unprecedented third term as president.
August 4 – Gen. John J. Pershing, in a nationwide radio broadcast, urges all-out aid to Britain in order to defend the Americas, while Charles Lindbergh speaks to an isolationist rally at Soldier Field in Chicago.
September – The U.S. Army 45th Infantry Division (previously a National Guard Division in Arizona, Colorado, New Mexico, and Oklahoma), is activated and ordered into federal service for 1 year, to engage in a training program in Ft. Sill and Louisiana, prior to serving in World War II.
September 2 – WWII: An agreement between America and Great Britain is announced to the effect that 50 U.S. destroyers needed for escort work will be transferred to Great Britain. In return, America gains 99-year leases on British bases in the North Atlantic, West Indies and Bermuda.
September 12 – The Hercules Munitions Plant in Succasunna-Kenvil, New Jersey explodes, killing 55 people.
September 16 – WWII: The Selective Training and Service Act of 1940 is signed into law by Franklin D. Roosevelt, creating the first peacetime draft in U.S. history.
September 26 – WWII: The United States imposes a total embargo on all scrap metal shipments to Japan.

October–December

October 16 – The draft registration of approximately 16 million men begins in the United States.
October 29 – The Selective Service System lottery is held in Washington, D.C..
November 5 – U.S. presidential election, 1940: Democrat incumbent Franklin D. Roosevelt defeats Republican challenger Wendell Willkie and becomes the United States' first and only third-term president.
November 7 – In Tacoma, Washington, the Tacoma Narrows Bridge (known as Galloping Gertie) collapses in a 42-mile per hour wind storm, causing the center span of the bridge to sway. When it collapses, a 600 foot-long design of the center span falls 190 feet above the water, killing Tubby, a black male cocker spaniel dog.
November 11 – Armistice Day Blizzard: An unexpected blizzard kills 144 in U.S. Midwest.
November 13 – Walt Disney's Fantasia is released. It is the first box office failure for Disney, though it eventually recoups its cost years later, and becomes one of the most highly regarded of Disney's films.
December 8 – The Chicago Bears, in what will become the most one-sided victory in National Football League history, defeat the Washington Redskins 73–0 in the 1940 NFL Championship Game.
December 29 – Franklin D. Roosevelt, in a fireside chat to the nation, declares that the United States must become "the great arsenal of democracy."
December 30 – California's first modern freeway, the future State Route 110, opens to traffic in Pasadena, California, as the Arroyo Seco Parkway (now the Pasadena Freeway).