State · 323 – 257 BCE

Peloponnesian War

A state of 323 – 257 BCE — 66 years in Europe. The atlas records 2 things within it — wars and battles 1 · people 1.

Wikidata dates it 431 BCE to 404 BCE, years the borders dataset never draws it in; the borders dataset maps it from 323 BCE to 257 BCE, and those are the years drawn here.

For the full story, the article on Wikipedia (CC BY-SA 4.0); this page holds what the record says of the state.

Stood: 66 years; 323 BCE – 257 BCE
Most ground: 23,200 km²; in 323 BCE
Within it: 2; recorded rows

Map: Peloponnesian War in 323 BCE, its borders in gold among its neighbours — Peloponnesian War in 323 BCE, when it held the most ground the borders dataset draws for it: 23,200 km². Its neighbours wear their tints, as on the atlas's own map. Borders from Cliopatria (CC BY 4.0), coast and rivers from Natural Earth, cities from Reba, Reitsma & Seto 2016 (CC BY 4.0), each city under the name it bore that year.

Peloponnesian War in 323 BCE, at its largest — The rise and the fall in one frame: the same ground at the years the borders dataset first maps it, maps it largest, and last maps it.

Peloponnesian War in 264 BCE, last mapped — The rise and the fall in one frame: the same ground at the years the borders dataset first maps it, maps it largest, and last maps it.

Where it sits in time

Five thousand years, 3000 BCE to 2026; the state in gold.

Ground held, by year

km² inside its borders as the borders dataset draws them, measured on an equal-area grid; a step series, held between the years the dataset maps.

23,200 km² in 323 BCE, 10,800 km² in 257 BCE; at its largest 23,200 km² in 323 BCE. Cliopatria, CC BY 4.0.

What happened within it, by century

Every row the atlas hosts under this state, by the century it began in: wars and battles in red, risings, regime changes and massacres beside them, everything else in grey. A tall bar is a century the record is full for, which is partly a fact about Wikipedia.

400 BCE – 301 BCE1 row · 1 wars and battles

Battle of Crannon · battle · 322 BCE

300 BCE – 201 BCE1 row

Cleomenes III · ruler · 260 – 219 BCE

Among all states

Each measure against the states that carry it, never against all of them: a bar is the share of those states below this one.

How long it stood66 years
stood longer than 38% of 3,187 states with a recorded end or still standing.
The most ground it held23,200 km²
held more ground at its peak than 23% of 1,465 states with a border in Cliopatria.
Wars recorded per centurynone
had more wars on record per century than 44% of 3,187 states, counting the wars the atlas hosts under each.

What led to it, and what came of it

The investigation's own picture: 1 cause the record names and 0 results, the strongest six of each at their own years, joined to the state by the kind of claim - a recorded statement solid, the article's sentence dashed, a theory dash-dot.

linked

Open the investigation: every row with its evidence, the conditions at the time, the theories condition by condition, and the succession analysed.

Open in the atlas

On the timeline, 333 BCE – 247 BCE, with everything that stood beside it.
On the map in 323 BCE, live: scrub the year and watch its borders move.
Investigate it: what led to it, what came of it, and its succession analysed.

Wikidata Q33745 (CC0) · borders Cliopatria, CC BY 4.0 · coast and rivers Natural Earth · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.