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1 jan 200 ano antes da era comum - W: First known use of smelted iron to create steel.

Descrição:

World: India was the first known to smelt iron with carbon to create steel, used to make swords, knives, and sewing needles.

Adicionado na linha do tempo:

History of Mathematics 2019

16 jul 2019

2

0

1444

Data:

1 jan 200 ano antes da era comum

Agora

~ 2227 years ago

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