1st January » Safety glass in vehicle windshield or windscreens becomes mandatory in the United Kingdom.
15th January » Spanish Civil War: Francoist Spain e.g Nationalists and Second Spanish Republic or Republican both withdraw after suffering heavy losses, ending the Second Battle of the Corunna Road.
19th January » Howard Hughes sets a new air record by flying from Los Angeles, California to New York City in 7 hours, 28 minutes, 25 seconds.
25th January » 'The Guiding Light' debuts on NBC radio from Chicago. In 1952 it moves to CBS television, where it remains until Sept. 18, 2009.
5th February » President of the United States e.g President Franklin Delano Roosevelt or Franklin D. Roosevelt proposes a plan to enlarge the Supreme Court of the United States.
11th February » A sit-down strike ends when General Motors recognizes the United Auto Workers.
16th February » Wallace H. Carothers receives a United States patent for nylon.
19th February » 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.
21st February » The League of Nations bans foreign national "Unlawful combatant e.g volunteers" in the Spanish Civil War.
2nd March » The Steel Workers Organizing Committee signs a collective bargaining agreement with U.S. Steel, leading to unionization of the United States steel industry.
8th March » Spanish Civil War: The Battle of Guadalajara begins.
18th March » The New London School explosion in New London, Texas, kills 300 people, mostly children.
18th March » Spanish Civil War: Spanish Republican forces defeat the Italy named Italians at the Battle of Guadalajara.
18th March » The human-powered aircraft, 'Bossi-Bonomi Pedaliante Pedaliante', flies convert 1 km outside Milan.
21st March » Ponce Massacre: Nineteen people in Ponce, Puerto Rico named Ponce, Puerto Rico, are gunned down by a police squad acting under orders of US-appointed Governor, Blanton C. Winship.
1st April » Aden becomes a United Kingdom named British crown colony.
1st April » Spanish Civil War: Jaén, Spain is Bombing of Jaén known as bombed by Nazi forces.
9th April » The 'Kamikaze (1937 aircraft) named Kamikaze' arrives at Croydon Airport in London it is the first Japanese-built aircraft to fly to Europe.
12th April » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, Warwickshire e.g Rugby, England.
26th April » Spanish Civil War: Bombing of Guernica Guernica (or Gernika in Basque Country (autonomous community) Basque), Spain is Bombing of Guernica bombed by Germany German Luftwaffe.
3rd May » 'Gone with the Wind', a novel by Margaret Mitchell, wins the Pulitzer Prize for Fiction.
6th May » Hindenburg disaster: The Nazi Germany named German zeppelin 'Hindenburg' catches fire and is destroyed within a minute while attempting to dock at Lakehurst, New Jersey. Thirty-six people are killed.
12th May » The Duke and Duchess of York are crowned as George VI called King George VI and Queen Elizabeth The Queen Mother e.g Queen Elizabeth of the United Kingdom of Great Britain and Northern Ireland in Westminster Abbey.
21st May » A Soviet and Russian manned drifting ice stations e.g Soviet station, North Pole-1, becomes the first scientific research settlement to operate on the drift ice of the Arctic Ocean.
27th May » In California, the Golden Gate Bridge opens to pedestrian traffic, creating a vital link between San Francisco and Marin County, California.
28th May » 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.
28th May » Volkswagen (VW), the Germany named German automobile manufacturer is founded.
30th May » Memorial Day massacre of 1937 named Memorial Day massacre: Chicago police shoot and kill ten labor demonstrators.
3rd June » The Edward VIII of the United Kingdom called Duke of Windsor marries Wallis Simpson.
11th June » Great Purge: The Soviet Union under Joseph Stalin executes Case of Trotskyist Anti-Soviet Military Organization e.g eight army leaders.
14th June » Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day (United States) named Flag Day officially as a state holiday.
14th June » U.S. House of Representatives passes the Marihuana Tax Act of 1937 e.g Marihuana Tax Act.
15th June » 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 Eight-thousander called 8000m peak.
2nd July » 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.
5th July » Spam (food) e.g Spam, the luncheon meat, is introduced into the market by the Hormel or Hormel Foods Corporation.
6th July » 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.
7th July » Second Sino-Japanese War: Marco Polo Bridge Incident known as Battle of Lugou Bridge Japanese forces invade Beijing, China.
8th July » Turkey, Iran, Iraq and Afghanistan sign the Treaty of Saadabad.
24th July » Alabama drops rape charges against the so-called "Scottsboro Boys".
26th July » End of the Battle of Brunete in the Spanish Civil War.
29th July » Tungchow Mutiny known as Tōngzhōu Incident: In Tongzhou District, Beijing named Tōngzhōu, China, the East Hopei Army attacks Japanese troops and civilians.
1st August » Josip Broz Tito reads the resolution "Manifesto of constitutional congress of KPH" to the constitutive congress of KPH (League of Communists of Croatia named Croatian Communist Party) in woods near Samobor.
2nd August » The Marihuana Tax Act of 1937 is passed in America, the effect of which is to render cannabis (drug) or marijuana and all its by-products illegal.
14th August » Chinese Air Force Day: The beginning of Air combat manoeuvring called 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 Republic of China Air Force or Nati
24th August » Spanish Civil War: the Basque Army surrenders to the Italian Corpo Truppe Volontarie following the Santoña Agreement.
24th August » Spanish Civil War: Sovereign Council of Asturias and León is proclaimed in Gijón.
28th August » Toyota Motors becomes an independent company.
5th September » Spanish Civil War: Llanes falls to the Nationalist faction (Spanish Civil War) known as Nationalists following a one-day siege.
6th September » Spanish Civil War: The Battle of El Mazuco commences.
10th September » Nine nations attend the Nyon Conference to address international piracy in the Mediterranean Sea.
22nd September » Spanish Civil War: Peña Blanca is taken; the end of the Battle of El Mazuco.
25th September » Second Sino-Japanese War: The Chinese Eighth Route Army gains a minor, but morale-boosting victory in the Battle of Pingxingguan.
1st October » The Japanese city Handa, Aichi named Handa is founded in Aichi Prefecture.
2nd October » Dominican Republic strongman Rafael Trujillo orders the Parsley Massacre named execution of the Haitian population living within the borderlands; approximately 20,000 are killed over the next five days.
5th November » Adolf Hitler holds a secret meeting and states his plans for acquiring "lebensraum e.g living space" for the German people.
8th November » The Nazism called Nazi exhibition 'The Eternal Jew (art exhibition) named Der ewige Jude' ("The Eternal Jew") opens in Munich.
9th November » Japanese troops take control of Shanghai, Republic of China (1912–49) called China.
9th December » Second Sino-Japanese War: Battle of Nanking Imperial Japan e.g Japanese troops under the command of Lt. Gen. Asaka Yasuhiko launch an assault on the Republic of China known as Chinese city of Nanjing (Nanking).
11th December » Second Italo–Ethiopian War: Kingdom of Italy known as Italy leaves the League of Nations.
12th December » Second Sino-Japanese War: USS Panay incident USS 'Panay' incident Imperial Japan Japanese aircraft bomb and sink U.S. gunboat USS Panay PR-5 6 on the Yangtze River in China.
13th December » Second Sino-Japanese War: Battle of Nanking The city of Nanjing, defended by the National Revolutionary Army under the command of General Tang Shengzhi, falls to the Empire of Japan e.g Japanese. This is followed by the Nanking Massacre, in which Japanese
22nd December » The Lincoln Tunnel opens to traffic in New York City known as New York, New York.
29th December » The Irish Free State is replaced by a new state called Republic of Ireland known as Ireland with the adoption of a new Constitution of Ireland named constitution.