Sounds very suspicious that people were able to name day of the week for random dates 15+ years ago when most days that pass one has no reason to associate the date and day of week. Makes me wonder about the individuals participating in this study, their incentives to get an official high memory credential, and whether they learned a formula for calculating days of the week.
There was a 60 minutes episode interviewing 6 SAMs[1]. They're tested with random historical events happening back a
few decades, some fairly mundane such as weather patterns -
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"Let's move back in time now to 1990. It rained on several days in January and February, can you name the dates on which it rained?" McGaugh asked.
Believe it or not, she could.
"Let's see. It was slightly rainy and cloudy on January 14th, 15th. It was very hot the weekend of the 27th, 28th, no rain," she replied.
We checked the official weather records and she was right.
