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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 12, 2019

Today marks an important date in the history of a major American metropolis known as the windy city. And hear a historic recording from Thomas Edison that marks a discovery he made on this date in 1877.