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John Harrington invented the flushing toilet in 1596.
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Thomas Edison invented the light bulb in 1879.
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Karl Benz invented the automobile in 1885.
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Marie Curie invented Radium in 1898.
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Guglielmo Marconi invented the radio in 1909.
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Albert Einstein invented the Einstein Refrigerator in 1926.
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Laszlo Biro invented the ballpoint pen in 1938.
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Jonas Salk invented the vaccine for Polio in 1952.
