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jan 1, 1890 - Invention of Herman Hollerith's machine

Description:

Herman Hollerith invented his machine which was similar to the Step Reckoner, and helped in the census of 1890.
(Found in the videos from Section 3.1)

Added to timeline:

Module 3.2 for CSC

ByCarson
28 Sep 2018

Date:

jan 1, 1890
Now
~ 134 years ago
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