It's hard to define a decisive turning point in Greek history as there were many.
However, one that really might stand out apart from the rest was their wars with the Persians. They were successful in their defence against a Persian invasion, an invasion of an empire that was drastically bigger than the combined Greek lands.
In Rome’s legislative branch, plebeians served in the Assemblies while the Senate’s members were "patricians". This word meant "father" and they were given far more responsibility than the plebeians.
