1. The Persian Wars and the Delian League
Greek History
The Persian Wars and the Delian League

2. Map of the Persian Empire at the time of Xerxes
Map of the Persian Empire at the time of Xerxes

3. wikipedia

4.
Map of Attica

5. Plain of Marathon.

6. The soros of the Athenian dead at the Battle of Marathon
Helmet offered by Miltiades at the temple of Zeus at Olympia (Archaeological Museum of Olympia)
wikipedia
The soros of the Athenian dead at the Battle of Marathon

7. wikipedia

8. wikipedia

9. Ancient ore washing table in the Lavrion mines
ancient-greece.org
Ancient ore washing table in the Lavrion mines

10. The trireme Olympias under way
Norton, Western Civ
The trireme Olympias under way

11. wikipedia

12. Oh stranger, tell the Lacedaemonians that here
we lie, in obedience to their words.
Wikipedia

14. wikipedia

15. Livius.org; photo by Jona Lendering
Plataea from the south

16.                                               
Serpent Column (479), base at Delphi and surviving column in the Hippodrome, Istanbul

17. wikipedia

18. Athens walls, 470s http://www.mlahanas.de/Greeks/LX/LongWalls.html

19. 454/3
454/3
wikipedia

20. The Athenian Tribute Lists
In the Epigraphical Museum (David Gill)