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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 August 2, 2021

A picture of barbed wire.
S. HERMANN & F. RICHTER
/
PIXABAY

It was on this date in 1887 that Chester A. Hodge of Beloit, Wisconsin was granted a patent for his barbed wire design. And it was on this date in 1909 that the first Lincoln-headed penny was released.