WHAT ALL HAPPENED FEBRUARY TO JUNE 1920
Find out what all happened February to June 1920

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

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

Jozef Haller de Hallenburg performs symbolic wedding of Poland to the sea, celebrating restitution of Polish access to open sea. (10. February 1920)

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

The Kapp Putsch briefly ousts the Weimar Republic government from Berlin. (13. March 1920)

The Tartu Peace Treaty is signed between Estonia and Russia. (2. February 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)

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

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

The first German Expressionist film and early horror movie, Robert Wiene's The Cabinet of Dr. Caligari, receives its première in Berlin. (26. February 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)

The Royal Canadian Mounted Police begins operations. (1. February 1920)

The Negro National League is formed. (13. February 1920)

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

Palm Sunday tornado outbreak of 1920 affects the Great Lakes region and Deep South states. (28. March 1920)

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

Duluth lynchings in Minnesota. (15. June 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)

Peru becomes a signatory to the Buenos Aires copyright treaty. (30. April 1920)