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Invención del ábaco
https://www.tinsa.es/blog/historia/el-abaco-y-el-origen-del-calculo/ -
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Invención de la imprenta.
https://www.imprentaonline.net/quien-invento-la-imprenta -
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A list shows items. A timeline shows sequence.
Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.