State · 257 – 207 BCE

Âu Lạc

A state of 257 – 207 BCE — 50 years in East and Southeast Asia. It replaced Văn Lang. Its line of rulers holds 1 person.

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

Stood: 50 years; 257 BCE – 207 BCE
Rulers: 1; the King
Most ground: 141,200 km²; in 256 BCE

Map: Âu Lạc in 256 BCE, its borders in gold among its neighbours — Âu Lạc in 256 BCE, when it held the most ground the borders dataset draws for it: 141,200 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.

Where it sits in time

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

Before and after

The states the record files it as replacing or following, and those that replaced or followed it - Wikidata's own statements, each read from this state's side.

Before it

Văn Lang · replaces

Rulers

Read from the state’s own English article and its rulers’ articles, where Wikidata names no ruler.

ending not on record

Ruler	Reign	Length	How it ended · source	To the ruler before
An Dương Vương	257 BCE – 179 BCE	78 years	ending not on record

1 rulers, 1 with terms dated as terms, covering 257 BCE – 179 BCE. Median reign 78 years. A blank in the last column means no kin on record, which is coverage, never “unrelated”.

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.

141,200 km² in 252 BCE, 141,200 km² in 207 BCE; at its largest 141,200 km² in 252 BCE. Cliopatria, CC BY 4.0.

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 stood50 years
stood longer than 34% of 3,187 states with a recorded end or still standing.
The most ground it held141,200 km²
held more ground at its peak than 52% 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.
How long a reign lasted, at the median78 years
had longer reigns, at the median, than 99% of 967 states whose dated line can carry a median.
Rulers on record1
has more rulers on record than 13% of 1,968 states with a line of rulers.

Open in the atlas

On the timeline, 267 BCE – 197 BCE, with everything that stood beside it.
On the map in 256 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 Q867227 (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.