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jan 1, 1890 - Herman Hollerith designs a punch card system

Description:

Herman Hollerith designs a punch card system to calculate the 1880 census, accomplishing the task in just three years and saving the government $5 million.

Added to timeline:

History of computers

Bymaddyn gates mcgregor
7 Aug 2018
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830

Date:

jan 1, 1890
Now
~ 136 years ago

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