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
Smithsonian Gardens The Smithsonian Gardens, a division of the Smithsonian Institution, is responsible for the "landscapes, interiorscapes, and horticulture-related collections and exhibits", which serve as an outdoor extension of the Smithsonian's museums and learning spaces in Washington, D.C. Established in 1972 as a groundskeeping and horticulture program, Smithsonian Gardens currently manages 180 acres of gardens on the National Mall, 64,000 square feet of greenhouse production space, and the Archives of American Gardens, a research collection of over 60,000 photographs and archival records covering American landscape history from the 1870s to the present.