1937 events in history

Jan 1 Safety glass in vehicle windscreens becomes mandatory in the United Kingdom
Jan 15 Spanish Civil War: Nationalists and Republican both withdraw after suffering heavy losses, ending the Second Battle of the Corunna Road
Jan 19 Howard Hughes sets a new air record by flying from Los Angeles, California to New York City in 7 hours, 28 minutes, 25 seconds
Jan 23 In Moscow, 17 leading Communists go on trial accused of participating in a plot led by Leon Trotsky to overthrow Joseph Stalin's regime and assassinate its leaders
Jan 25 The Guiding Light debuts on NBC radio from Chicago. In 1952 it moves to CBS television, where it remains until Sept. 18, 2009
Feb 5 President Franklin D. Roosevelt proposes a plan to enlarge the Supreme Court of the United States
Feb 11 A sit-down strike ends when General Motors recognizes the United Auto Workers
Feb 16 Wallace H. Carothers receives a United States patent for nylon
Feb 19 Yekatit 12: During a public ceremony at the Viceregal Palace (the former Imperial residence) in Addis Ababa, Ethiopia, two Ethiopian nationalists of Eritrean origin attempt to kill viceroy Rodolfo Graziani with a number of grenades
Feb 21 The League of Nations bans foreign national "volunteers" in the Spanish Civil War
Mar 2 The Steel Workers Organizing Committee signs a collective bargaining agreement with U.S. Steel, leading to unionization of the United States steel industry
Mar 8 Spanish Civil War: The Battle of Guadalajara begins
Mar 18 The New London School explosion in New London, Texas, kills 300 people, mostly children
Mar 18 The human-powered aircraft, Pedaliante, flies 1 kilometre (0.62 mi) outside Milan
Mar 18 Spanish Civil War: Spanish Republican forces defeat the Italians at the Battle of Guadalajara
Mar 21 Ponce Massacre: Nineteen people in Ponce, Puerto Rico, are gunned down by a police squad acting under orders of US-appointed Governor, Blanton C. Winship
Apr 1 Spanish Civil War: Jaén, Spain is bombed by Nazi forces
Apr 9 The Kamikaze arrives at Croydon Airport in London – it is the first Japanese-built aircraft to fly to Europe
Apr 12 Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England
Apr 17 Daffy Duck's first appearance, in Porky's Duck Hunt
Apr 26 Spanish Civil War: Guernica (or Gernika in Basque), Spain is bombed by German Luftwaffe
Apr 30 The Philippines holds a plebiscite for Filipino women on whether they should be extended the right to suffrage; over 90% would vote in the affirmative
May 3 Gone with the Wind, a novel by Margaret Mitchell, wins the Pulitzer Prize for Fiction
May 6 Hindenburg disaster: The German zeppelin Hindenburg catches fire and is destroyed within a minute while attempting to dock at Lakehurst, New Jersey. Thirty-six people are killed
May 7 Spanish Civil War: The German Condor Legion, equipped with Heinkel He 51 biplanes, arrives in Spain to assist Francisco Franco's forces
May 12 The Duke and Duchess of York are crowned as King George VI and Queen Elizabeth of the United Kingdom of Great Britain and Northern Ireland in Westminster Abbey
May 21 A Soviet station, North Pole-1, becomes the first scientific research settlement to operate on the drift ice of the Arctic Ocean
May 27 In California, the Golden Gate Bridge opens to pedestrian traffic, creating a vital link between San Francisco and Marin County, California
May 28 Volkswagen (VW), the German automobile manufacturer is founded
May 28 The Golden Gate Bridge in San Francisco, California, is officially opened by President Franklin D. Roosevelt in Washington, D.C., who pushes a button signaling the start of vehicle traffic over the span
May 30 Memorial Day massacre: Chicago police shoot and kill ten labor demonstrators
Jun 3 The Duke of Windsor marries Wallis Simpson
Jun 11 Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders
Jun 14 Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day officially as a state holiday
Jun 14 U.S. House of Representatives passes the Marihuana Tax Act
Jun 15 A German expedition led by Karl Wien loses sixteen members in an avalanche on Nanga Parbat. It is the worst single disaster to occur on an 8000m peak
Jun 30 The world's first emergency telephone number, 999, is introduced in London
Jul 2 Amelia Earhart and navigator Fred Noonan are last heard from over the Pacific Ocean while attempting to make the first equatorial round-the-world flight
Jul 5 Spam, the luncheon meat, is introduced into the market by the Hormel Foods Corporation
Jul 6 Spanish Civil War: Battle of Brunete: The battle begins with Spanish Republican troops going on the offensive against the Nationalists to relieve pressure on Madrid
Jul 7 Second Sino-Japanese War: Battle of Lugou Bridge – Japanese forces invade Beijing, China
Jul 8 Turkey, Iran, Iraq and Afghanistan sign the Treaty of Saadabad
Jul 22 New Deal: The United States Senate votes down President Franklin D. Roosevelt's proposal to add more justices to the Supreme Court of the United States
Jul 24 Alabama drops rape charges against the so-called "Scottsboro Boys"
Jul 26 End of the Battle of Brunete in the Spanish Civil War
Jul 29 Tōngzhōu Incident: In Tōngzhōu, China, the East Hopei Army attacks Japanese troops and civilians
Aug 1 Josip Broz Tito reads the resolution "Manifesto of constitutional congress of KPH" to the constitutive congress of KPH (Croatian Communist Party) in woods near Samobor
Aug 2 The Marihuana Tax Act of 1937 is passed in America, the effect of which is to render marijuana and all its by-products illegal
Aug 13 The Battle of Shanghai begins
Aug 14 Chinese Air Force Day: The beginning of air-to-air combat of the Second Sino-Japanese War and World War II in general, when six Imperial Japanese Mitsubishi G3M bombers are shot down by the Nationalist Chinese Air Force while raiding Chinese air bases