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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 September 17, 2019

On this date in 1683, a Dutch scientist became the first to report something around us constantly. And in 1862, the Battle of Sharpsburg went down in history.