WHAT ALL HAPPENED JANUARY TO JUNE 1937
Find out what all happened January to June 1937

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

Spanish Civil War: Nationalists and Republican both withdraw after suffering heavy losses, ending the Second Battle of the Corunna Road. (15. January 1937)

Wallace H. Carothers receives a United States patent for nylon. (16. February 1937)

U.S. House of Representatives passes the Marihuana Tax Act. (14. June 1937)

Ponce Massacre: 18 people and a 7-year-old girl in Ponce, Puerto Rico, are gunned down by a police squad acting under orders of US-appointed Governor, Blanton C. Winship. (21. March 1937)

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

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 at a ceremony in Westminster Abbey. (12. May 1937)

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. (28. May 1937)

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

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

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. (19. February 1937)

Safety glass in vehicle windscreens becomes mandatory in the United Kingdom. (1. January 1937)

Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders. (11. June 1937)

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

The New London School explosion killed 300 people, mostly children. (18. March 1937)

Spanish Civil War: The Battle of Guadalajara begins. (8. March 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)

A sit-down strike ends when General Motors recognizes the United Auto Workers. (11. February 1937)

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. (23. January 1937)

The Guiding Light debuts on NBC radio from Chicago. In 1952 it moves to CBS television, where it remains until Sept. 18, 2009. (25. January 1937)