Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Give a historical event about the Ancient Greek.

### Response:
One of the most significant events in Ancient Greek history was the Battle of Marathon in 490 BCE. The battle was between the Athenian-led forces and the Persian Empire, and marked the first major victory by the Greeks against the Persians. The battle also set off a chain reaction of events that eventually led to the rise of the democracy in Greece.