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Discover events in American history – plus the stamps that make them come alive.

Today’s Article

  • October 22, 2025

    Edison’s First Successful Test of Electric Light Bulb 

    On October 22, 1879, Thomas Edison staged his first successful test of an electric light bulb with a carbon filament. Contrary to popular belief, Edison didn’t invent the light bulb. Dozens of inventors over several decades made their own versions, creating the basis for Edison’s light.
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