Why are the Persian wars important?

Answer 1

To the people involved, soldiers and civilians, it was important to them as it affected their lives greatly.

In the grand sweep of thousands of years of history, it was just another in the thousands of wars which the human race seems intent on inflicting on itself.

Answer 2

It saw an end of the Persian expansion to the west, and laid the foundations for the expansion of Macedonia to the east, taking over the Persian Empire which became the basis for the Hellenistic Kingdoms.

Answer 3

It brought an end to the Persian expansion west through the Greek world.

Answer 4

The were important to the Greek city-states to avoid Persian rule.