WHAT ALL HAPPENED MARCH TO AUGUST 1920
Find out what all happened March to August 1920

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

The national council in Turkey denounces the government of Sultan Mehmed VI and announces a temporary constitution. (23. April 1920)

The first commercial radio station, 8MK (now WWJ), begins operations in Detroit, Michigan. (20. August 1920)

The United States Senate rejects the Treaty of Versailles for the second time (the first time was on November 19, 1919). (19. March 1920)

A new border treaty between Germany and Denmark gives northern Schleswig to Denmark. (15. June 1920)

Montreal, Quebec radio station XWA broadcasts the first regularly scheduled radio programming in North America. (20. May 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)

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

Azerbaijan is added to the Soviet Union. (28. April 1920)

France captures Damascus. (25. July 1920)

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

Telecommunications: the first transatlantic two-way radio broadcast takes place. (25. July 1920)

Kiev Offensive: Polish troops led by Józef Piłsudski and Edward Rydz-Śmigły and assisted by a symbolic Ukrainian force capture Kiev only to be driven out by the Red Army counter-offensive a month later. (7. May 1920)

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

The Latvian–Soviet Peace Treaty, which relinquished Russia's authority and pretenses to Latvia, is signed, ending the Latvian War of Independence. (11. August 1920)

The Nineteenth Amendment to the United States Constitution is ratified, guaranteeing women's suffrage. (18. August 1920)

The Soviet–Lithuanian Peace Treaty is signed. Soviet Russia recognizes independent Lithuania. (12. July 1920)

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

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