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Mark's Almanac for July 31, 2020
On this date in 1790, the first patent was issued in the United States. And on this date in 2012, a blackout left 600 Million people without power in India.
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By WKSUOn this date in 1790, the first patent was issued in the United States. And on this date in 2012, a blackout left 600 Million people without power in India.