1923 events in history

Jan 1 Britain's Railways are grouped into the Big Four: LNER, GWR, SR, and LMS
Jan 9 Lithuanian residents of the Memel Territory rebel against the League of Nations' decision to leave the area as a mandated region under French control
Jan 9 Juan de la Cierva makes the first autogyro flight
Jan 10 Lithuania seizes and annexes Memel
Jan 11 Occupation of the Ruhr: Troops from France and Belgium occupy the Ruhr area to force Germany to make its World War I reparation payments
Feb 10 Texas Tech University is founded as Texas Technological College in Lubbock, Texas
Feb 15 Greece becomes the last European country to adopt the Gregorian calendar
Feb 16 Howard Carter unseals the burial chamber of Pharaoh Tutankhamun
Mar 3 TIME magazine is published for the first time
Mar 20 The Arts Club of Chicago hosts the opening of Pablo Picasso's first United States showing, entitled Original Drawings by Pablo Picasso, becoming an early proponent of modern art in the United States
Apr 5 Firestone Tire and Rubber Company begins production of balloon-tires
Apr 6 The first Prefects Board in Southeast Asia is formed in Victoria Institution, Malaysia
Apr 15 Insulin becomes generally available for use by people with diabetes
Apr 18 Yankee Stadium, "The House that Ruth Built", opens
Apr 24 In Vienna, the paper Das Ich und das Es (The Ego and the Id) by Sigmund Freud is published, which outlines Freud's theories of the id, ego, and super-ego
Apr 26 The Duke of York weds Lady Elizabeth Bowes-Lyon at Westminster Abbey
May 13 Robert Bellarmine, a Doctor of the Catholic Church, is beatified
May 26 24 Hours of Le Mans, was first held, and has since been run annually in June
Jun 9 Bulgaria's military takes over the government in a coup
Jun 18 Checker Taxi puts its first taxi on the streets
Jun 25 Capt. Lowell H. Smith and Lt. John P. Richter perform the first ever aerial refueling in a DH-4B biplane
Jul 1 The Canadian Parliament suspends all Chinese immigration
Jul 13 The Hollywood Sign is officially dedicated in the hills above Hollywood, Los Angeles, California. It originally reads "Hollywoodland " but the four last letters are dropped after renovation in 1949
Jul 24 The Treaty of Lausanne, settling the boundaries of modern Turkey, is signed in Switzerland by Greece, Bulgaria and other countries that fought in World War I
Aug 2 As vice president, Calvin Coolidge becomes the 30th President of the United States after the death of Warren G. Harding
Aug 23 Captain Lowell Smith and Lieutenant John P. Richter performed the first mid-air refueling on De Havilland DH-4B, setting an endurance flight record of 37 hours
Sep 1 The Great Kantō earthquake devastates Tokyo and Yokohama, killing about 105,000 people
Sep 4 Maiden flight of the first U.S. airship, the USS Shenandoah
Sep 8 Honda Point Disaster: Nine US Navy destroyers run aground off the California coast. Seven are lost, and twenty-three sailors killed
Sep 9 Mustafa Kemal Atatürk, the founder of the Republic of Turkey, founds the Republican People's Party
Sep 13 Following a military coup in Spain, Miguel Primo de Rivera takes over, setting up a dictatorship
Sep 26 Gustav Stresemann resumes the Weimar Republic's payment of reparations
Sep 29 The British Mandate for Palestine takes effect, creating Mandatory Palestine
Oct 6 The great powers of World War I withdraw from Istanbul
Oct 13 Ankara replaces Istanbul as the capital of Turkey
Oct 15 The German Rentenmark is introduced in Germany to counter hyperinflation in the Weimar Republic
Oct 16 The Walt Disney Company is founded by Walt Disney and his brother, Roy Disney
Oct 22 The royalist Leonardopoulos–Gargalidis coup d'état attempt fails in Greece, discrediting the monarchy and paving the way for the establishment of the Second Hellenic Republic
Oct 29 Turkey becomes a republic following the dissolution of the Ottoman Empire
Oct 31 The first of 160 consecutive days of 100º Fahrenheit at Marble Bar, Western Australia
Nov 8 Beer Hall Putsch: In Munich, Adolf Hitler leads the Nazis in an unsuccessful attempt to overthrow the German government
Nov 9 In Munich, Germany, police and government troops crush the Beer Hall Putsch in Bavaria. The failed coup is the work of the Nazis
Dec 21 United Kingdom and Nepal formally signed an agreement of friendship, called the Nepal–Britain Treaty of 1923, which superseded the Sugauli Treaty signed in 1816
Dec 27 Daisuke Namba, a Japanese student, tries to assassinate the Prince Regent Hirohito
Dec 31 The chimes of Big Ben are broadcast on radio for the first time by the BBC