847 1st record of Bersalis
1261 Fortified farmhouse in Beersel
1300 Permission to build a fortified castle
1356 Capture and destruction of castle
1357 Reconstruction
1402 Wood for restoration after a fire
1488 Assault on Castle of Beersel
1489 Surrender after devastating bombardment
1491 Reconstruction of destroyed parts
1585 Castle inhabited by the Fathers of Zevenborre
1617 Refurbishment works in 17th century style
1666 Castle comes in the hands of the Dukes of Arenberg
1796 Last inhabitants leave the castle
1818 Recovery of building material - ruin
1887 Visit Victor Hugo
1914 Listing and foreclosure of all access to castle ruins
1927 Survey of the ruin
1928 Donation of the castle by Count de Grunne
1928 Establishment of the ‘Ligue des Amis du Château de Beersel’
1928 Restoration of the castle phase 1
1929 Phase 2
1933 Construction of the inn
1934 Protection of the landscape and surroundings of the feudal castle
1939 Solemn inauguration in the presence of a delegation of the National Trust
1942 Phase 3
1943 Listing of the castle as a monument
1948 Transfer to 'Royal Association of Historic Residences in Belgium'
1955 Death of Raymond Pelgrims de Bigard
1956 Performance of stage play
1963 Landscape gardening of the site by arch. R Pechère
2003 Start of the preparatory phase
2007 Start of the restoration campaign