The Joseph Marien Stadium (, ) is a multi-use stadium located within Duden Park in the municipality of Forest in Brussels, Belgium. It is currently used mostly for football matches and is the home ground of Royale Union Saint-Gilloise. The stadium holds 9,400 since 2018 and was opened in 1919. Its entrance is at one end of the Rue du Stade/Stadionstraat. History Early construction In 1909, Royale Union Saint-Gilloise was offered a site in Duden Park in Forest, Brussels. Construction started in 1915, during World War I, and ended in 1919. On 14 September 1919, the stadium opened with a friendly game between Royale Union Saint-Gilloise and A.C. Milan. 1920 Summer Olympics The stadium hosted some of the football events for the 1920 Summer Olympics. 1926 renovation In 1926, the stadium was renovated after a design by architect Albert Callewaert. On this occasion, it was given an Art Deco facade that holds bas-reliefs by Oscar De Clercq. References Notes External links Sports-reference.com 1920 Summer Olympics football. Stadiumguide.com profile Sports venues completed in 1919 Venues of the 1920 Summer Olympics Olympic football venues Multi-purpose stadiums in Belgium Football venues in Brussels Forest, Belgium Royale Union Saint-Gilloise