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1 jan 1812 ano - The first American wood pencils were made.

Descrição:

By Dmgerman at en.wikipedia [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], from Wikimedia Commons

Adicionado na linha do tempo:

A Brief History of Educational Technology

18 set 2017

0

0

835

Data:

1 jan 1812 ano

Agora

~ 213 years ago

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