Cleomenes I was Agiad King of Sparta from c. 524 to c. 490 BC. One of the most important Spartan kings, Cleomenes was instrumental in organising the Greek resistance against the Persian Empire of Darius, as well as shaping the geopolitical balance of Classical Greece.
- Occupation
- ruler
- Position held
- king of Sparta
- Citizenship
- Sparta
- Born
- 600 BC
- Died
- 489 BC, 490 BC