c. 508 BCE
Cleisthenic constitutional reforms
Law & constitutions · Constituciones y ciudadanía
Tradition places Cleisthenes’ reforms reorganizing civic units and Athenian representation in 508/507 BCE. They are a reference point in the constitutional history of the polis, although citizenship and participation remained restricted by sex, status, and origin.
Precision, calendar, and review
- Start
- year · approximate
- Calendar and convention
- Historical-era years; the source calendar is not identified. No conversion of days is assumed.
- Year zero
- The scale goes from 1 BCE to 1 CE without year zero. Changing era names changes labels only.
- Documentary review
- Date not recorded
Reading the date: point event.
Sources
- www.britannica.com (opens in a new tab)
Source provenance and scope
- Publication date
- Pending verification: the source could not be accessed
- Bibliographic date checked
- 2026-09-23
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