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1 janv. 1800 - Las pizarras de tiza comenzaron a usarse en las escuelas alrededor del siglo XVIII
Ajouté au bande de temps:
Historia de la Tecnología Educativa
By
Alejandro Matos
9 nov. 2019
0
0
488
Date:
1 janv. 1800
Maintenaint
~ Il y a 225 ans
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