# Cleisthenes

> late 6th century Athenian politician and reformer

**Wikidata**: [Q207634](https://www.wikidata.org/wiki/Q207634)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cleisthenes)  
**Source**: https://4ort.xyz/entity/cleisthenes

## Summary
Cleisthenes was a late 6th-century Athenian politician and reformer, best known for his role in the Athenian Revolution (508–507 BCE) and the establishment of the Kleisthenis Act I, a foundational administrative law in ancient Greece. His work reshaped Athenian governance, influencing later political structures in Classical Athens.

## Biography
- Nationality: Athenian (Classical Athens)
- Known for: Leading the Athenian Revolution and authoring the Kleisthenis Act I
- Employer(s): Classical Athens
- Field(s): Politics, governance reform

## Contributions
- **Kleisthenis Act I (2019)**: A Greek administrative law that restructured Athenian governance, though the exact year of its implementation is uncertain. The act is named after Cleisthenes and remains a key document in ancient political history.

## FAQs
**What was Cleisthenes' most significant achievement?**
Cleisthenes is best known for his role in the Athenian Revolution and the creation of the Kleisthenis Act I, which reformed Athenian governance structures.

**Where did Cleisthenes work?**
Cleisthenes was active in Classical Athens, where he served as a politician and reformer during the Athenian Revolution.

**What is the Kleisthenis Act I?**
The Kleisthenis Act I was an administrative law implemented by Cleisthenes that restructured Athenian governance, though the exact year of its inception is not specified in the source material.

## Why They Matter
Cleisthenes' reforms during the Athenian Revolution laid the groundwork for Athenian political structures, influencing later governance models in Classical Athens. His work on the Kleisthenis Act I remains a foundational document in ancient political history, demonstrating his lasting impact on governance reform.

## Notable For
- Led the Athenian Revolution (508–507 BCE)
- Authored the Kleisthenis Act I, a landmark administrative law in ancient Greece

## Body
### Early Life and Background
Cleisthenes was an Athenian politician and reformer active in the late 6th century BCE. His exact birth date and place of origin are not specified in the source material.

### Political Career
Cleisthenes played a pivotal role in the Athenian Revolution, a significant uprising in Classical Athens. His reforms, documented in the Kleisthenis Act I, restructured Athenian governance, though the precise year of its implementation remains unclear.

### Legacy
The Kleisthenis Act I, named after Cleisthenes, remains a key document in ancient political history, reflecting his lasting influence on Athenian governance. His work during the Athenian Revolution set the stage for later political developments in Classical Athens.

## References

1. Gran Enciclopèdia Catalana
2. Q45174499
3. Virtual International Authority File
4. Enciclopedia Treccani
5. Encyclopædia Britannica
6. Library of Congress Authorities
7. Encyclopædia Universalis
8. Freebase Data Dumps. 2013
9. Treccani's Enciclopedia on line
10. Dizionario di Storia