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Arts & Culture
Mark Pennell sits at the helm of his time machine.Mark's Almanac is a 90-second time travel that highlights the world's history from the very serious to the sometimes sublime.

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.