Academy Palace, Brussels

Academy Palace in Brussels, Belgium is a neoclassical city palace built in the early 19th century for Prince William II of Orange and associated with the House of Orange. Construction took place between 1823 and 1828, following a decision made in 1815, and the building was raised in the restrained classical taste of that period. It was financed from national funds as a reward for the prince’s conduct at the Battle of Waterloo, and its scale and fittings marked it from the start as an important public and ceremonial building.

The first occupants were Prince William II and his wife, Anna Pavlovna. They lived in the palace for roughly two years but left during the Belgian Revolution of September 1830, when they fled to the Netherlands. In the years that followed the Belgian State took control of the property; from 1830 until 1839 the building remained under state sequestration, a full inventory of its contents was prepared, and the richly furnished rooms were opened to the public and admired for their luxury.

An agreement of 5 November 1842 transferred ownership of the structure itself to the Belgian State, while the movable furnishings were treated as the personal property of William and were removed to his Dutch residences at Soestdijk, Kneuterdijk and later Noordeinde. In the late 1840s and early 1850s the palace served military uses, housing units including the first regiment of chasseurs‑carabiniers. Authorities offered the house to the Duke of Brabant in 1853; he declined, and the palace then saw frequent use for public celebrations.

In the 1860s the building underwent alterations to accommodate a modern museum, work completed in 1862, and it displayed museum collections until its institutional role changed. By royal decree on 30 April 1876 the palace was placed at the disposal of learned bodies, first for the Royal Academy of Science, Letters and Fine Arts of Belgium (founded 1772) and the Royal Academy of Medicine of Belgium (founded 1841). During the twentieth century additional academies took up residence, including a French‑language academy for language and literature established in 1920, and Dutch‑language academies for the arts and for medicine created in 1938; the Dutch‑language arts academy was renamed the Royal Flemish Academy in 1999.

The palace hosted international gatherings in the late nineteenth and early twentieth centuries. Delegates met there for the International Monetary Conference of 1892, and in 1925 negotiations held in the Marble Hall led to the Second Brussels International Pharmacopoeia Agreement. During the First World War the German occupiers converted the building into a military hospital; the academies returned to the palace in March 1919. A notable security incident occurred in the night of 25–26 September 1829 when jewels belonging to Anna Pavlovna were stolen.

Major repair and conservation work took place from 1969 until 1976 to arrest severe decay caused by the dry‑rot fungus Serpula lacrymans and to restore original aspects of the interiors. The adjoining Royal Stables were refurbished in the 1990s and refreshed again around 2010. On 10 October 2001 the palace received legal protection as a listed monument under the Monuments and Sites Directorate of the Brussels‑Capital Region.