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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 August 17, 2020

It was on this date in 1807, Robert Fulton's steamboat Clermont became the first successful steamboat put into commercial use. And on this date in 1859, the first air mail trip took off.