WHAT ALL HAPPENED JUNE TO NOVEMBER 1920
Find out what all happened June to November 1920

Italy and the Kingdom of Serbs, Croats and Slovenes sign the Treaty of Rapallo. (12. November 1920)

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

Patriarch Tikhon issues a decree that leads to the formation of the Russian Orthodox Church Outside Russia. (7. November 1920)

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

Irish War of Independence: Kilmichael Ambush – The Irish Republican Army ambush a convoy of British Auxiliaries and kill seventeen. (28. November 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 Soviet–Lithuanian Peace Treaty is signed. Soviet Russia recognizes independent Lithuania. (12. July 1920)

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

Duluth lynchings in Minnesota. (15. June 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)

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

The Wall Street bombing: a bomb in a horse wagon explodes in front of the J. P. Morgan building in New York City – 38 are killed and 400 injured. (16. September 1920)

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

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

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

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

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

Two newly purchased Savoia flying boats crash in the Swiss Alps en route to Finland where they would serve with the Suomen Ilmavoimat, killing both crews. (7. September 1920)

The Polish Parliament establishes Silesian Voivodeship before the Polish-German plebiscite. (15. July 1920)