WHAT ALL HAPPENED MARCH TO DECEMBER 1937
Find out what all happened March to December 1937

Second Sino-Japanese War: Battle of Nanking – Japanese troops under the command of Lt. Gen. Asaka Yasuhiko launch an assault on the Chinese city of Nanjing (Nanking). (9. December 1937)

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

Spanish Civil War: Llanes falls to the Nationalists following a one-day siege. (5. September 1937)

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

The human-powered aircraft, Pedaliante, flew 1 kilometre (0.62 mi) outside Milan. (18. March 1937)

Spanish Civil War: Peña Blanca is taken; the end of the Battle of El Mazuco. (22. September 1937)

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

Second Sino-Japanese War: The Chinese Eighth Route Army gains a minor, but morale-boosting victory in the Battle of Pingxingguan. (25. September 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)

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)

Second Sino-Japanese War: Battle of Nanking – Nanjing, defended by the National Revolutionary Army under the command of General Tang Shengzhi, falls to the Japanese. This is followed by the Nanking Massacre, in which Japanese troops rape and murder hundreds of thousands of civilians. (13. December 1937)

Stalinists execute Pastor Paul Hamberg and seven members of Azerbaijan's Lutheran community. (1. November 1937)

Second Italo–Ethiopian War: Italy leaves the League of Nations. (11. December 1937)

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. (6. May 1937)

Dominican Republic strongman Rafael Trujillo orders the execution of the Haitian population living within the borderlands; approximately 20,000 are killed over the next five days. (2. October 1937)

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

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

The Japanese city Handa is founded in Aichi Prefecture. (1. October 1937)

Snow White and the Seven Dwarfs, the world's first full-length animated feature, premieres at the Carthay Circle Theatre. (21. December 1937)

Adolf Hitler holds a secret meeting and states his plans for acquiring "living space" for the German people. (5. November 1937)