1 ene 1890 año - Herman Hollerith designs a punch-card system

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Herman Hollerith designs a punch-card system to help calculate the 1890 U.S. Census. The machine, saves the government several years of calculations, and the U.S. taxpayer approximately $5 million, according to Columbia University Hollerith later establishes a company that will eventually become International Business Machines Corporation (IBM).

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