WHAT ALL HAPPENED MAY TO OCTOBER 1920
Find out what all happened May to October 1920

France captures Damascus. (25. July 1920)

During the U.S. Republican National Convention in Chicago, U.S. Republican Party leaders gathered in a room at the Blackstone Hotel to come to a consensus on their candidate for the U.S. presidential election, leading the Associated Press to first coin the political phrase "smoke-filled room". (11. June 1920)

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

In Rome, Pope Benedict XV canonizes Joan of Arc. (16. May 1920)

A new border treaty between Germany and Denmark gives northern Schleswig to Denmark. (15. June 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 congress of the Communist Party of Bukhara opens. The congress would call for armed revolution. (16. August 1920)

Hungary loses 71% of its territory and 63% of its population when the Treaty of Trianon is signed in Paris. (4. June 1920)

Part of Petsamo Province is ceded by the Soviet Union to Finland. (14. October 1920)

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

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

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

Montreal, Quebec radio station XWA broadcasts the first regularly scheduled radio programming in North America. (20. May 1920)

Polish-Soviet War: The Polish army under General Edward Rydz-Śmigły celebrates its capture of Kiev with a victory parade on Khreschatyk. (9. May 1920)

Polish–Soviet War: The Battle of Radzymin concludes; the Soviet Red Army is forced to turn away from Warsaw. (16. August 1920)

The first radio news program is broadcast by 8MK in Detroit, Michigan. (31. August 1920)

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

Authorities arrest Nicola Sacco and Bartolomeo Vanzetti for alleged robbery and murder. (5. May 1920)