28 fev 314 ano antes da era comum - Aqueducts Were Implemented
Descrição:
 Aqueducts were a very efficient way to transport water using stone, concrete or lead pipes. This decreased the reliance on outside water sources from other empires or from travelling to gather water. 
Adicionado na linha do tempo:
Data:
28 fev 314 ano antes da era comum
Agora
 ~ 2341 years ago