 Complete the following phrase:  In his first Pythian ode, composed in 470 BC in honour of the Sicilian tyrant Hieron, Pindar celebrated a series of victories by Greeks against foreign invaders: Athenian and Spartan-led victories against Persia at Salamis and Plataea, and victories by the western Greeks led by Theron of Acragas and Hieron against the Carthaginians and Etruscans at the battles of Himera and 