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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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26 dez 201 ano antes da era comum - Smoke signals were first used in Ancient China to alert others of danger along the Great Wall.
Adicionado na linha do tempo:
Year 8 Geography Communications Timeline
By
ZT
9 nov 2018
0
0
357
Data:
26 dez 201 ano antes da era comum
Agora
~ 2229 years ago
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