When did the Persian war begin and end?

Answer 1

There was no defined First, Second, Third etc. Some people say one war, some say two, some say three.

It is best described as a war with different phases:

Ionian Revolt 499-493 BCE

Persian punitive expedition agains Eretria and Athens 490 BCE

Persian invasion of peninsular Greece 480-479 BCE

Delian League counter-offensive 478-449 BCE.

Answer 2

The first half of the 5th Century BCE - 499=449 BCE.

Answer 3

It finished and therefore ended in 449 BCE.

Answer 4

499-449 BCE.

Answer 5

499 BCE.