Period of Kings
625 BC - 510 BC (1 jan 625 ano antes da era comum – 1 jan 510 ano antes da era comum)
Descrição:
 Period of Kings (625-510 BC)
The first period in Roman history is known as the Period of Kings, and it lasted from Rome’s founding until 510 BC. During this brief time Rome, led by no fewer than six kings, advanced both militaristically and economically with increases in physical boundaries, military might, and production and trade of goods including oil lamps. Politically, this period saw the early formation of the Roman constitution. The end of the Period of Kings came with the decline of Etruscan power, thus ushering in Rome’s Republican Period.
https://www.mpm.edu/research-collections/anthropology/anthropology-collections-research/mediterranean-oil-lamps/roman-empire-brief-history 
Adicionado na linha do tempo:
Data:
1 jan 625 ano antes da era comum
1 jan 510 ano antes da era comum
 ~ 115 years