WHAT ALL HAPPENED MARCH TO SEPTEMBER 1921
Find out what all happened March to September 1921

Southwark Bridge in London is opened for traffic by King George V and Queen Mary. (6. June 1921)

İstiklal Marşı was adopted in TBMM(Turkish grand national assembly). (12. March 1921)

The Australian cricket team captained by Warwick Armstrong becomes the first team to complete a whitewash of The Ashes, something that would not be repeated for 86 years. (1. March 1921)

Tulsa race riot: civil unrest in Tulsa, Oklahoma. The official death toll is 39, but recent investigations suggest the actual toll may be much higher. (31. May 1921)

Italian Fascists shoot from the Parenzana train at a group of children in Strunjan (Slovenia): two children are killed and five wounded. (19. March 1921)

The first skirmishes of the Battle of Blair Mountain occur. (25. August 1921)

A truce in the Irish War of Independence comes into effect. (11. July 1921)

Emir Abdullah establishes the first centralised government in the newly created British protectorate of Transjordan. (11. April 1921)

Major League Baseball Commissioner Kenesaw Mountain Landis confirms the ban of the eight Chicago Black Sox, the day after they were acquitted by a Chicago court. (3. August 1921)

Tannu Uriankhai, later Tuvan People's Republic is established as a completely independent country (which is supported by Soviet Russia). (14. August 1921)

The trial of Sacco and Vanzetti opens. (24. May 1921)

Mongolia is proclaimed an independent monarchy, ruled by Russian military officer Roman von Ungern-Sternberg as a dictator. (13. March 1921)

The second Peace of Riga between Poland and Soviet Union. (18. March 1921)

Researchers at the University of Toronto led by biochemist Frederick Banting prove that the hormone insulin regulates blood sugar. (27. July 1921)

Belfast's Bloody Sunday: 16 people are killed and 161 houses destroyed during rioting and gun battles in Belfast, Northern Ireland. (10. July 1921)

Tulsa Race Riot: civil unrest in Tulsa, Oklahoma. (1. June 1921)

The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of War Communism. (21. March 1921)

Roscoe "Fatty" Arbuckle party in San Francisco ends with the death of the young actress Virginia Rappe: one of the first scandals of the Hollywood community. (5. September 1921)

A storage silo in Oppau, Germany, explodes, killing 500-600 people. (21. September 1921)

The Autonomous Government of Khorasan, a military government encompassing the modern state of Iran, is established. (2. April 1921)