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15 Dez 1878 Jahr - Sistema de censo

Beschreibung:

Censo estadounidense. Se desarrolló un sistema de cómputo mediante tarjetas perforadas.
Se aplicó para el censo de 1890.

Zugefügt zum Band der Zeit:

Trabajo practico Linea del tiempo

ByTomas Gonzalez Blasi

4 Dez 2019

0

0

293

Datum:

15 Dez 1878 Jahr

Jetzt

~ 146 years ago

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