According to the Greenspring Media publication  "Bloomington-Mall of America Visitors Guide", when was the Mall of America opened?
Mall of America Mall of America (commonly, locally known as "MOA") is a shopping mall located in Bloomington, Minnesota, United States (a suburb of the Twin Cities). Southeast of the junction of Interstate 494 and Minnesota State Highway 77, north of the Minnesota River and across the Interstate from the Minneapolis–St. Paul International Airport. Opened in 1992, it is the
Harundale Mall Harundale Mall, the first enclosed shopping mall on the East Coast in the 20th century, was located in Glen Burnie, Maryland, United States at the intersection of Ritchie Highway and Aquahart Road. Harundale Mall has been replaced by Harundale Plaza. The mall was built in Anne Arundel County by James Rouse who later developed Columbia, Maryland, one of the first modern planned communities, in Howard County. Harundale Mall rivaled Southdale Center in Minnesota, the only "other" indoor mall in the United States at the time.