Answer:
the Mardonius 492 campaign
Step-by-step explanation:
It is of interest to note that some historians traceback the Persian King, Darius effective military campaigns against Greece to have been influenced greatly by his nephew named, Mardonius, a military commander.
In the year 492 BC there were several campaigns led by Mardonius against the Greecian empire, although not all were successful, it marked the start of new military campaigns used by Darius against the Greecian empire.