THIS STUDY AIMES TO REVEAL THE HISTORICAL EVOLUTION OF THE CITY PLANNING, ESPECIALLY THE OPEN SPACE PLANNING, IN BRUSSELS DURING THE REIGN OF LEOPOLD II. HE TOOK THE LEAD IN THE CITY PLANNING OF BRUSSELS EVER SINCE HE WAS PRINCE, UNDER INFLUENCE OF THE REBUILDING OF PARIS IN THE 19TH CENTURY. AFTER ANALYSING THE OPEN SPACE PLANNING, IT WAS DIVIDED INTO THE FOLLOWING 3 PERIODS: FIRST PERIOD(1857-72), OPEN SPACE WAS USED AS A TOOL FOR THE URBAN BEAUTIFICATION; SECOND PERIOD(1873-94), IT WAS REGARDED AS A CORE OF THE URBAN DEVELOPING AREAS OF QUALITY; THIRD PERIOD(1895-1909), THE CONSTRUCTION OF LARGE AVENUES AND PARKS AIMED TO BEAUTIFY THE CAPITAL AND TO CONSERVE NATURAL RESOURCES.
