List of 1922 Major News Events in History, Most Important Historical Events in 1922
| Date | Event |
|---|---|
| January 7, 1922 | Dáil Éireann ratifies the Anglo-Irish Treaty by a 64–57 vote. |
| January 11, 1922 | Leonard Thompson becomes the first person to be injected with insulin. |
| January 28, 1922 | Knickerbocker Storm: Washington, D.C.'s biggest snowfall, causes a disaster when the roof of the Knickerbocker Theatre collapses, killing over 100 people. |
| February 2, 1922 | Ulysses by James Joyce is published. |
| February 6, 1922 | The Washington Naval Treaty is signed in Washington, D.C., limiting the naval armaments of United States, Britain, Japan, France, and Italy. |
| February 8, 1922 | United States President Warren G. Harding introduces the first radio set in the White House. |
| February 9, 1922 | Brazil becomes a member of the Berne Convention copyright treaty. |
| February 27, 1922 | A challenge to the Nineteenth Amendment to the United States Constitution, allowing women the right to vote, is rebuffed by the Supreme Court of the United States in Leser v. Garnett. |
| February 28, 1922 | The United Kingdom ends its protectorate over Egypt through a Unilateral Declaration of Independence. |
| March 10, 1922 | Mahatma Gandhi is arrested in India, tried for sedition, and sentenced to six years in prison, only to be released after nearly two years for an appendicitis operation. |
| March 15, 1922 | After Egypt gains nominal independence from the United Kingdom, Fuad I becomes King of Egypt. |
| March 18, 1922 | In India, Mohandas Gandhi is sentenced to six years in prison for civil disobedience, of which he serves only two. |
| March 20, 1922 | The USS Langley is commissioned as the first United States Navy aircraft carrier. |
| March 26, 1922 | The German Social Democratic Party is founded in Poland. |
| April 3, 1922 | Joseph Stalin becomes the first General Secretary of the Communist Party of the Soviet Union. |
| April 5, 1922 | The American Birth Control League, forerunner of Planned Parenthood, is incorporated. |
| April 7, 1922 | Teapot Dome scandal: United States Secretary of the Interior Albert B. Fall leases federal petroleum reserves to private oil companies on excessively generous terms. |
| April 15, 1922 | U.S. Senator John B. Kendrick of Wyoming introduces a resolution calling for an investigation of a secret land deal, which leads to the discovery of the Teapot Dome scandal. |
| April 16, 1922 | The Treaty of Rapallo, pursuant to which Germany and the Soviet Union re-establish diplomatic relations, is signed. |
| April 20, 1922 | The Soviet government creates South Ossetian Autonomous Oblast within Georgian SSR. |
| April 24, 1922 | The first segment of the Imperial Wireless Chain providing wireless telegraphy between Leafield in Oxfordshire, England, and Cairo, Egypt, comes into operation. |
| May 10, 1922 | The United States annexes the Kingman Reef. |
| May 19, 1922 | The Young Pioneer Organization of the Soviet Union is established. |
| May 30, 1922 | The Lincoln Memorial is dedicated in Washington, D.C.. |
| June 1, 1922 | The Royal Ulster Constabulary is founded. |
| June 9, 1922 | Åland's Regional Assembly convened for its first plenary session in Mariehamn, Åland;[1] today, the day is celebrated as Self-Government Day of Åland. |
| June 16, 1922 | General election in the Irish Free State: The pro-Treaty Sinn Féin party wins a large majority. |
| June 17, 1922 | Portuguese naval aviators Gago Coutinho and Sacadura Cabral complete the first aerial crossing of the South Atlantic. |
| June 24, 1922 | The American Professional Football Association is renamed the National Football League. |
| June 28, 1922 | The Irish Civil War begins with the shelling of the Four Courts in Dublin by Free State forces. |
| June 29, 1922 | France grants "one square kilometer" at Vimy Ridge "freely, and for all time, to the Government of Canada, the free use of the land exempt from all taxes". |
| June 30, 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. |
| July 1, 1922 | The Great Railroad Strike of 1922 begins in the United States. |
| July 9, 1922 | Johnny Weissmuller swims the 100 meters freestyle in 58.6 seconds breaking the world swimming record and the 'minute barrier'. |
| July 11, 1922 | The Hollywood Bowl opens. |
| July 15, 1922 | The Japanese Communist Party is established in Japan. |
| July 20, 1922 | The League of Nations awards mandates of Togoland to France and Tanganyika to the United Kingdom. |
| July 24, 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. |
| August 2, 1922 | A typhoon hits Shantou, Republic of China, killing more than 50,000 people. |
| August 22, 1922 | Michael Collins, Commander-in-chief of the Irish Free State Army, is shot dead in an ambush during the Irish Civil War. |
| August 26, 1922 | Greco-Turkish War (1919–22): Turkish army launched what has come to be known to the Turks as the Great Offensive (Büyük Taarruz). The major Greek defense positions were overrun. |
| August 27, 1922 | Greco-Turkish War: The Turkish army takes the Aegean city of Afyonkarahisar from the Kingdom of Greece. |
| August 30, 1922 | Battle of Dumlupınar: The final battle in the Greco-Turkish War ("Turkish War of Independence"). |
| September 9, 1922 | The Greco-Turkish War effectively ends with Turkish victory over the Greeks in Smyrna. |
| September 11, 1922 | The Treaty of Kars is ratified in Yerevan, Armenia. |
| September 13, 1922 | The final act of the Greco-Turkish War, the Great Fire of Smyrna, commences. |
| September 18, 1922 | The Kingdom of Hungary is admitted to the League of Nations. |
| September 27, 1922 | King Constantine I of Greece abdicates his throne in favor of his eldest son, George II. |
| October 18, 1922 | The British Broadcasting Company (later Corporation) is founded by a consortium, to establish a nationwide network of radio transmitters to provide a national broadcasting service. |
| October 19, 1922 | British Conservative MPs vote to terminate the coalition government with the Liberal Party. |
| October 27, 1922 | A referendum in Rhodesia rejects the country's annexation to the South African Union. |
| October 28, 1922 | Italian fascists led by Benito Mussolini march on Rome and take over the Italian government. |
| October 31, 1922 | Benito Mussolini is made Prime Minister of Italy |
| November 1, 1922 | Abolition of the Ottoman sultanate: The last sultan of the Ottoman Empire, Mehmed VI, abdicates. |
| November 4, 1922 | In Egypt, British archaeologist Howard Carter and his men find the entrance to Tutankhamun's tomb in the Valley of the Kings. |
| November 13, 1922 | The United States Supreme Court upholds mandatory vaccinations for public school students in Zucht v. King. |
| November 14, 1922 | The British Broadcasting Company begins radio service in the United Kingdom. |
| November 15, 1922 | At least 300 are massacred during a general strike in Guayaquil, Ecuador. |
| November 21, 1922 | Rebecca Latimer Felton of Georgia takes the oath of office, becoming the first female United States Senator. |
| November 24, 1922 | Nine Irish Republican Army members are executed by an Irish Free State firing squad. Among them is author Erskine Childers, who had been arrested for illegally carrying a revolver. |
| November 26, 1922 | Howard Carter and Lord Carnarvon become the first people to enter the tomb of Pharaoh Tutankhamun in over 3000 years. |
| November 26, 1922 | The Toll of the Sea debuts as the first general release film to use two-tone Technicolor. (The Gulf Between was the first film to do so, but it was not widely distributed.) |
| December 6, 1922 | One year to the day after the signing of the Anglo-Irish Treaty, the Irish Free State comes into existence. |
| December 7, 1922 | The Parliament of Northern Ireland votes to remain a part of the United Kingdom and not unify with Southern Ireland. |
| December 8, 1922 | Two days after coming into existence, the Irish Free State executes four leaders of the Irish Republican Army. |
| December 9, 1922 | Gabriel Narutowicz is elected the first president of Poland. |
| December 27, 1922 | Japanese aircraft carrier Hōshō becomes the first purpose built aircraft carrier to be commissioned in the world. |
| December 30, 1922 | The Union of Soviet Socialist Republics (USSR) is formed. |