WHAT ALL HAPPENED APRIL TO JULY 1937
Find out what all happened April to July 1937

Aden becomes a British crown colony. (1. April 1937)

Memorial Day massacre: Chicago police shoot and kill 10 labor demonstrators. (30. May 1937)

The Duke of Windsor marries Wallis Simpson. (3. June 1937)

The world's first emergency telephone number, 999, is introduced in London (30. June 1937)

Spam, the luncheon meat, is introduced into the market by the Hormel Foods Corporation. (5. July 1937)

The Kamikaze arrives at Croydon Airport in London – it is the first Japanese-built aircraft to fly to Europe. (9. April 1937)

Spanish Civil War: Guernica (or Gernika in Basque), Spain is bombed by German Luftwaffe. (26. April 1937)

End of the Battle of Brunete in the Spanish Civil War. (26. July 1937)

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. (22. July 1937)

Turkey, Iran, Iraq and Afghanistan sign the Treaty of Saadabad. (8. July 1937)

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. (2. July 1937)

Tōngzhōu Incident: in Tōngzhōu, China, the East Hopei Army attacks Japanese troops and civilians. (29. July 1937)

Volkswagen (VW), the German automobile manufacturer was founded. (28. May 1937)

Second Sino-Japanese War: Battle of Lugou Bridge – Japanese forces invade Beijing, China. (7. July 1937)

Spanish Civil War: The German Condor Legion, equipped with Heinkel He 51 biplanes, arrives in Spain to assist Francisco Franco's forces. (7. May 1937)

Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England. (12. April 1937)

Spanish Civil War: Jaén, Spain is bombed by Nazi forces. (1. April 1937)

Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day officially as a state holiday. (14. June 1937)

In California, the Golden Gate Bridge opens to pedestrian traffic, creating a vital link between San Francisco and Marin County, California. (27. May 1937)

Alabama drops rape charges against the so-called "Scottsboro Boys". (24. July 1937)