By 1986, North Charleston's population had reached 78,000 residents spanning . A monument to honor Vietnam veterans was erected and dedicated in front of City Hall, where it stood for over 20 years before being moved to Patriots Point in 2008. The city celebrated its 15th anniversary the next year, marked by such events as the opening of the Northwoods Center shopping complex and the development of a beach in the middle of the city with the opening of Treasure Lake.