WHAT ALL HAPPENED MAY TO SEPTEMBER 1922
Find out what all happened May to September 1922

Japanese Communist Party is established in Japan. (15. July 1922)

The first radio advertisement is broadcast on WEAF-AM in New York City. (29. August 1922)

The draft of the British Mandate of Palestine was formally confirmed by the Council of the League of Nations; it came into effect on 26 September 1923. (24. July 1922)

In Washington D.C., U.S. Secretary of State Charles Evans Hughes and Dominican Ambassador Francisco J. Peynado sign the Hughes-Peynado agreement, which ends the United States occupation of the Dominican Republic. (30. June 1922)

The United States annex the Kingman Reef. (10. May 1922)

At Windsor Castle, King George V receives the colours of the six Irish regiments that are to be disbanded – the Royal Irish Regiment, the Connaught Rangers, the South Irish Horse, the Prince of Wales's Leinster Regiment, the Royal Munster Fusiliers and the Royal Dublin Fusiliers. (12. June 1922)

The League of Nations awards mandates of Togoland to France and Tanganyika to the United Kingdom. (20. July 1922)

Greco-Turkish War: The Turkish army takes the Aegean city of Afyonkarahisar from the Greeks. (27. August 1922)

France grants 1 km² at Vimy Ridge "freely, and for all time, to the Government of Canada, the free use of the land exempt from all taxes". (29. June 1922)

In Aydin, Turkey, independence of Aydin, from Greek occupation. (7. September 1922)

The Young Pioneer organization of the Soviet Union is established. (19. May 1922)

Michael Collins, Commander-in-chief of the Irish Free State Army, is shot dead during an Anti-Treaty ambush at Béal na Bláth, County Cork, during the Irish Civil War. (22. August 1922)

Hungary is admitted to the League of Nations. (18. September 1922)

Herrin massacre: 19 strikebreakers and 2 union miners are killed in Herrin, Illinois. (22. June 1922)

The Lincoln Memorial is dedicated in Washington, D.C.. (30. May 1922)

General election in the Irish Free State: the pro-Treaty Sinn Féin win a large majority. (16. June 1922)

The Treaty of Kars is ratified in Yerevan, Armenia. (11. September 1922)

King Constantine I of Greece abdicates his throne in favor of his eldest son, King George II. (27. September 1922)

Battle of Dumlupinar: the final battle in the Greek-Turkish War ("Turkish War of Independence"). (30. August 1922)

The Greco-Turkish War of 1919-1922 effectively ends with Turkish victory over the Greeks in Smyrna. (9. September 1922)