1923 was a simple year.
January 8 - After a report by the Reparations Commission in late 1922 that Germany was late with coal deliveries in the name of war reparations to France and Belgium, French and Belgian troops entered the Ruhr area.
January 10 - Lithuanian residents of the territory of Memel rebelled against the decision of the League of Nations to keep the area under French mandate.
February 10 - Texas Tech University of Lab is founded.
March 18 - Elections for deputies of the Kingdom of Serbs, Croats and Slovenes.
March 23 - An agreement was signed in Nis between the Kingdom of Serbs, Croats and Slovenes and Bulgaria regarding the interstate problems of these two countries.
June 9 - A government coup overthrows the government of Alexander Stamboliiski, leader of the Bulgarian People's Agricultural Union, in Bulgaria.
July 24 - A peace treaty is signed in Lausanne between Turkey and allied forces, by which Turkey renounced all non-Turkish territories that it lost in the First World War, but gained Edirne and eastern Thrace, which definitely determined the borders of the European part of the Turkish state.
August 2 - Calvin Coolidge is sworn in as the 30th president of the United States after the death of Warren Harding.
September 13 - General Miguel Primo de Rivera, with the approval of King Alfonso XIII, staged a coup in Spain and imposed a military dictatorship.
October 13 - The Turkish parliament declares Ankara, formerly Angora, the capital of Turkey.
October 29 - Turkey is proclaimed a republic after the collapse of the Ottoman Empire.
November 9 - A beer coup in which Nazi party leader Adolf Hitler, a famous World War I general, Erich Ludendorff, and other Kampfbund leaders try unsuccessfully to seize power in Munich, Bavaria, Germany.
Wikipedia: Date unknown - Paris - Budapest flight extended to Belgrade.
Wikipedia: Unknown date - FK Hajduk Stapar was founded.
January 3 - Dragutin Gostushki, Serbian composer. († 1998)
January 4 - Savo Skoko, Serbian military historian
January 14 - Mihajlo Bata Paskaljevic, Serbian actor († 2004)
February 2 - Svetozar Gligorić, Serbian chess player
February 8 - Milorad Ba�