// todo need optimize like in event.jsp. Add indexing or not indexing this page. Smoke Signals (7 abr 150 año aC – 1 ene 1918 año) (Cinta de tiempo)
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Smoke Signals (7 abr 150 año aC – 1 ene 1918 año)

Descripción:

The earliest form of long-distance communication generally used to alert others of impending enemies. These were used by China and by Indigenous North Americans.

Añadido al timeline:

Technology

ByDraasbac
12 nov 2018

fecha:

7 abr 150 año aC
1 ene 1918 año
~ 2069 years
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