7 h 31 m, 29 out 6 ano antes da era comum - First known messages being sent
Descrição:
It is believed that the first messages being sent was discovered by archaeologists. There is great advantage to a ruler who can send or receive a message quicker than his rivals.
Adicionado na linha do tempo:
Data:
7 h 31 m, 29 out 6 ano antes da era comum
Agora
~ 2032 years ago