List of state leaders in 509 BC

510 BC state leaders — Events of 509 BC — 508 BC state leaders — State leaders by year-----

Africa

*Carthage — Hamilcar I, King of Carthage (c.510 BC–c.480 BC)
*Cyrene — Battus IV, King of Cyrene (c.515 BC–c.470 BC)
*Egypt (Twenty-Seventh Dynasty) — Darius I, Pharaoh of Egypt (521 BC–486 BC)
*Kush — Amaniastabarqa, King of Kush (c.510 BC–c.487 BC)

Asia

*China (Spring and Autumn Period)
**Eastern Zhou Dynasty — King Jing of Zhou (519 BC–475 BC)
**Cai — Marquess Zhao of Cai (518 BC–490 BC)
**Cao — ???
**Chen — ???
**Chu — King Zhao of Chu (515 BC–488 BC)
**Jin — Duke Ding of Jin (511 BC–474 BC)
**Lu — Duke Ding of Lu (509 BC–494 BC)
**Qi — Duke Jing of Qi (547 BC–489 BC)
**Qin — Duke Ai of Qin (536 BC–500 BC)
**Song — Duke Jing of Song (516 BC–450 BC)
**Wei (I) — Duke Ling of Wei (534 BC–492 BC)
**Wu — King Helu of Wu (514 BC–495 BC)
**Yan — ???
**Yue — King Yunchang of Yue (510 BC–495 BC)
**Zheng — Duke Xian of Zheng (513 BC–500 BC)
*India (Magadhan Empire) — Bimbisara, Shishunagan ruler (544 BC–491 BC)
*Japan — Emperor Itoku, of Japan (c.510 BC–c.476 BC)

Europe

*Athens
*# Scamandrius, Archon of Athens (510 BC–509 BC)
*# Lysagoras, Archon of Athens (509 BC–508 BC)
*Ireland — Meilge Molbthach, High King of Ireland (523 BC–506 BC)
*Macedon (Argead Dynasty) — Amyntas I, King of Macedon (547 BC–498 BC)
*Roman Kingdom — Lucius Tarquinius Superbus, King of Rome (535 BC–509 BC) (The King is overthrown in favor of a republic)
*Roman Republic
**Lucius Junius M.f. Brutus, Consul of Rome (509 BC)
**Lucius Tarquinius Collatinus, Consul of Rome (509 BC)
*Sparta
**(Agiad Dynasty) Cleomenes I, King of Sparta (520 BC–490 BC)
**(Eurypontid Dynasty) Demaratus, King of Sparta (515 BC–491 BC)

Middle East

*Persian Empire (Achaemenid Dynasty) — Darius I, King of Persia (521 BC–486 BC)