Constitution Day

Constitution Day is a holiday to honour the constitution of a country. Constitution Day is often celebrated on the anniversary of the signing, promulgation or adoption of the constitution, or in some cases, to commemorate the change to constitutional monarchy.

Other

 * Day of the Flemish Community, 11 July (Flemish community only). Known locally as Feestdag van Vlaanderen.
 * Day of the German-speaking Community, 15 November (German-speaking community only). Known locally as Feiertag der Deutschsprachigen Gemeinschaft.
 * French Community Holiday, 27 September (French-speaking community only). Known locally as Fête de la Communauté française.
 * Wallonia Day, third Sunday of September (Walloon Region only).