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Today In History (July 20 1807)
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AustrianPainter
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Today In History (July 20 1807)
TODAY IN HISTORY
1807: Nicéphore Niépce, who twenty years later also invented photography, is awarded a patent by the French government for the Pyréolophore, the world's first internal combustion engine, after it successfully powered a boat upstream on the river Saône in France.