Legislation passed in the 1950's to fund an interstate highway system primarily in response to the need to be able to land large aircraft in emergencies.
The 21st amendment to the united state constitution repealed the 18th emendment to united states contitution.
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.
