Ancient Greek warriors became the premiere warriors of their classical world. Through internal war face they perfected heavy infantry tactics and when they were united they were able to defeat an invasion by Persia, the super power of their day. The heavily outnumbered Greek warriors called Hoplites used superior tactics, training and arms to defeat two massive invasions. however, the Greeks returned to their incessant warface once their common enemy was defeated. Philip of Hellenized Macedonia, king of what the Greeks considered a barbarian kingdom to their North, learned and even improved the Greeks phalanx formation and eventually dominated Greece.