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1 gen 132 anni - Zhang Heng invents the seismometer[96]

Descrizione:

Invention

Aggiunto al nastro di tempo:

Han Dynasty timeline (-200/220)

ByAluiglame Blefs

19 nov 2019

0

0

715

Data:

1 gen 132 anni

Adesso

~ 1894 years ago

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