The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
Britannica[3] and multiple 'this day in history' retrospectives confirm the Mall of America opened to the public on August 11, 1992.
Wikipedia's article confirms Triple Five Group developed the mall and that it opened with 330 stores in August 1992.
Britannica's reference entry states the Mall of America opened on August 11, 1992 as the largest mall in the United States.
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