Events in the year 1923 in Belgium.
Incumbents
Monarch – Albert I
Prime Minister – Georges Theunis
Events
23 May – Sabena is founded at Brussels Airport
23 September – 12th Gordon Bennett Cup held in Brussels
Publications
Periodicals
Annales de la Société d'archéologie de Bruxelles, vol. 31. Annales de la Société d'émulation de Bruges: revue trimestrielle pour l'étude de l'histoire et des antiquités de la Flandre, vol. 66.
Books
Jean Haust, Étymologies wallonnes et françaises (Liège and Paris, H. Vaillant-Carmanne and Édouard Champion) Maurits Sabbe, Christopher Plantin, translated by Alice Van Riel-Göransson (Antwerp, J.-E. Buschmann) Camille Tihon, La Principauté et le Diocèse de Liège sous Robert de Bergues, 1557-1564 (Université de Liège)
Art and architecture
Buildings
Eagle, Star & British Dominions Insurance Company office building ("British Dominions House") in Antwerp Work starts on Victor Horta's Palace of Fine Arts in Brussels (completed 1929)
Paintings
Gustave De Smet, De mosseleters (Royal Museum of Fine Arts Antwerp)
Births
2 April – Georges Octors, conductor (died 2020)
Deaths
12 August – Victor Harou, explorer (born 1851) 1 December – Virginie Loveling, Flemish poet and novelist (born 1836)