16 h 35 m, 1 ene 150 año aC - Smoke Signals
Descripción:
Smoke signals were used around this time. Civilizations that used this technique included the Ancient Chinese, the Ancient Greeks and the Native Americans.Añadido al timeline:
fecha:
16 h 35 m, 1 ene 150 año aC
Ahora mismo
~ 2177 years ago