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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 5, 2021

A picture of a traffic light.

It was on this date in 1861 that President Abraham Lincoln signed the first income tax into law. And it was on this date in 1914 that the world's first electric traffic signal was put into place. It was at the corner of Euclid Avenue and 105th Street in Cleveland.