510 BCE
Stelae begin to be banned in Athenian cemeteries (approximate date; ends c. 430 BC). Scylax of Caryanda becomes the first mariner to have passed the Indian Ocean. The reign of Lucius Tarquinius Superbus, last king of the traditional seven Kings of Rome, concludes. The Kingdom of Rome falls and is replaced by the Roman Republic. (or 509 BC).
Geopolitics & Diplomacy
- Ariston is succeeded as King of Sparta by Demaratus.source
Conflict & Security
- Hippias, tyrant of Athens, is expelled by his people with the assistance of Cleomenes, King of Spartasource
Exploration & Expansion
- Scylax of Caryanda becomes the first mariner to have passed the Indian Ocean.source
Religion & Belief
- The reign of Lucius Tarquinius Superbus, last king of the traditional seven Kings of Rome, concludes. The Kingdom of Rome falls and is replaced by the Roman Republic. (or 509 BC)source
Health & Medicine
- Stelae begin to be banned in Athenian cemeteries (approximate date; ends c. 430 BC).source
Births
- Cimon, Athenian statesman and strategos (d. 450 BC)source