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The Global History Network is dedicated to preserving and promoting the history of innovation in the fields of electrical engineering and its allied fields. More 
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May 24th On this day in 1844 Samuel Morse demonstrated telegraphy by transmitting a message on a newly constructed line between Baltimore to Washington, D.C. 
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Proposed Milestone Name Birthplace of the Bar Code, 1948From GHNA list of all pages that have property "Proposed Milestone Name" with value "Birthplace of the Bar Code, 1948"
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