Why might themistoles be one of the most important heroes in greek history?

Themistocles is considered one of the most important heroes in Greek history primarily for his pivotal role in the naval victory at the Battle of Salamis during the Persian Wars. His strategic foresight led to the development of Athens' powerful navy, which became crucial in defending Greece against Persian invasion. Additionally, Themistocles’ political acumen helped unify the Greek city-states in the face of a common enemy, strengthening their collective resistance and shaping the future of democratic governance in Athens. His contributions laid the foundation for Athens to emerge as a dominant power in the ancient world.