June 26 in Pop Culture History

June 26 in Pop Culture History 1498 – The bristle toothbrush was invented in China. 1797 – Charles Newbold was issued a patent (#X000177) for an improvement for the cast-iron plow 1807 – Lightning struck a gunpowder factory in Luxembourg, killing more than 300 people. 1819 – The first US patent (#X003115) for a velocipede, …

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