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GREEK MYTHOSThe Godsunder Codex

PHEIDON (king of Argos)

Figure of myth · king of Argos, son of Aristodamidas

Pheidon, king of Argos, full-length portrait
Parents
Aristodamidas
Children
Leocedes
In the sources
8 ancient passages

Pheidon, son of Aristodamidas and tenth descendant of Temenus, ruled Argos as a tyrant.1,2 He was considered the most powerful prince of his age and the most overbearing tyrant among the Greeks.3,1 His arrogance exceeded that of any other Greek individual.2

Pheidon recovered the entire inheritance of Temenus, which had been divided into many portions.1 He deprived the Lacedaemonians of the sovereignty of Peloponnesus, which they previously possessed.1 He attacked cities Heracles had taken and claimed the games Heracles established.1 He forcibly entered Eleian territory to celebrate the Olympic games, holding them jointly with the people of Pisa during the eighth festival.2,1,3

Accounts differ on the origin of weights and measures; while Pheidon is credited with inventing the Pheidonian system, Gellius attributes them to Palamedes.2,4 According to Ephorus, Pheidon was the first to strike silver as money, a practice confirmed by his stamping of silver coinage.5,1 Pheidon swore an oath while making drink-offerings in his house, and he sent the speaker away on a Thesprotian ship bound for Dulichium.6,7

The Eleians and Lacedaemonians joined forces and succeeded in overthrowing Pheidon.1 His son Leocedes, who came from the Peloponnese, discovered the speaker near death from cold and fatigue.2,8

The codex facts behind this entry

In the myths

He invented the weights and measures known as Pheidonian. Herodotus 6.127.3 +2 Pheidon swore an oath while making drink-offerings in his house. Odyssey 14 ¶17 +1 Pheidon forcibly entered Eleian territory to celebrate the Olympic games. Herodotus 6.127.3 +1

Sources

  1. Strabo 8.3.33
  2. Herodotus 6.127.3
  3. Pausanias 6.22.2
  4. Pliny, Nat. Hist. 7.57 ¶5
  5. Strabo 8.6.16
  6. Odyssey 14 ¶17
  7. Odyssey 19 ¶19
  8. Odyssey 14 ¶16
Written from the Mythos Codex, and every sentence checked against the facts it cites. From the Mythos Codex: 21 facts, each checked against the ancient passage it comes from, here drawn from Herodotus, Pliny, Nat. Hist., Homer, Strabo. Updated 30 October 2026.

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