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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 12, 2021

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It was on this date in 1854 that George Eastman was born in Watertown, NY. He would later patent the first film in roll form and found the Eastman Kodak company. And it was on this date in 1957 that the surgeon general of the United States became the first federal official to publicly link smoking with lung cancer.