20 agos 3000 anni a. C. - Stone Age
Descrizione:
The use of metals, supplanted the flint and other stone materials that until then were the basic material for the development of agricultural tools, weapons and construction materials; this made it possible to have more durable and efficient objects. All these metals were already known by the preneolítico man, but this did not dominate the techniques for its elaboration and manipulation, techniques that required very high temperatures.Aggiunto al nastro di tempo:
Data:
20 agos 3000 anni a. C.
Adesso
~ 5029 years ago