1 sept 1793 año - Cotton gin invented
Descripción:
an invention that made a big step towards machine usage in America, and the slave trade.Eli Whitney (1765–1825) applied for a patent of his cotton gin on October 28, 1793; the patent was granted on March 14, 1794, but was not validated until 1807.
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fecha:
1 sept 1793 año
Ahora mismo
~ 231 years ago