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1 janv. 1877 - 1800 Census and IBM

Description:

Herman Hollerith designs a punch card system to calculate the 1880 census, managing to accomplish this task in just 3 years. He then established a company that would eventually become IBM.

Ajouté au bande de temps:

14 févr. 2018

Date:

1 janv. 1877
Maintenaint
~ Il y a 147 ans