WHAT ALL HAPPENED APRIL TO DECEMBER 1920
Find out what all happened April to December 1920

Qantas, Australia's national airline, is founded as Queensland and Northern Territory Aerial Services Limited. (16. November 1920)

The Communist Party of Australia is founded in Sydney. (30. October 1920)

Foundation of the Spanish Legion. (20. September 1920)

First assembly of the League of Nations is held in Geneva, Switzerland. (15. November 1920)

The Haiyuan earthquake, magnitude 8.5, rocks the Gansu province in China, killing an estimated 200,000. (16. December 1920)

Construction of the Link River Dam begins as part of the Klamath Reclamation Project. (29. July 1920)

Polish–Soviet War: the Battle of Warsaw begins and will last till August 25. The Red Army is defeated. (13. August 1920)

King Constantine I is restored as King of the Hellenes after the death of his son Alexander of Greece and a plebiscite. (19. December 1920)

World War I: Ottoman sultan Mehmed VI's representatives sign the Treaty of Sèvres that divides up the Ottoman Empire between the Allies. (10. August 1920)

Two security guards are murdered during a robbery in South Braintree, Massachusetts. Anarchists Sacco and Vanzetti would be convicted of and executed for the crime, amid much controversy. (15. April 1920)

The congress of the Communist Party of Bukhara opens. The congress would call for armed revolution. (16. August 1920)

Following more than a month of Turkish-Armenian War, the Turkish dictated Treaty of Alexandropol is concluded. (2. December 1920)

Battle of Warsaw so called Miracle at the Vistula. (15. August 1920)

Polish-Bolshevik War: a decisive Polish victory in the Battle of Komarów. (31. August 1920)

Treaty of Moscow: Soviet Russia recognizes the independence of the Democratic Republic of Georgia only to invade the country six months later. (7. May 1920)

The 19th amendment to United States Constitution takes effect, giving women the right to vote. (26. August 1920)

The first game of the Negro National League baseball is played in Indianapolis. (2. May 1920)

The Grand National Assembly of Turkey (TBMM) is founded in Ankara. (23. April 1920)

At the San Remo conference, the principal Allied Powers of World War I adopt a resolution to determine the allocation of Class "A" League of Nations mandates for administration of the former Ottoman-ruled lands of the Middle East. (25. April 1920)

Polish–Soviet War: Battle of Warsaw, which began on August 13, ends with the Red Army's defeat. (25. August 1920)