Athenian democracy, Roman Republic, Roman Empire
they were called the teachers of the first :)
The Greek civilization came before the Roman.
first mechanical clock with an hour hand
Although not an invention. The First supersonic landspeed record was set.
Concrete.Concrete.Concrete.Concrete.Concrete.Concrete.Concrete.Concrete.Concrete.
The Ancient Romans.
Concrete and the invention by Rome of the arch.
Concrete was the invention that made building better and stronger.
When you have an invention, the first step is to get a patent for the invention.
His first invention was the Apple lisa
The Apple I, a personal computer was the first invention of apple.
his first invention was the sespension bridge
An aqueduct. Though, I have a problem calling it a Roman invention. Aztecs also had very sophisticated aqueducts in Tenochitlan.
the ipod is a great invention
the recurve bow
bob i don't know look in a dictionary