State · 802 – 1431

Khmer Empire

A state of 802 – 1431 — 629 years in East and Southeast Asia. The atlas records 1 thing within it — people 1. Its line of rulers holds 7 people.

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

Stood: 629 years; 802 – 1431
Rulers: 7; the Monarch
Most ground: 956,600 km²; in 1206
Within it: 1; recorded row

Map: Khmer Empire in 1206, its borders in gold among its neighbours — Khmer Empire in 1206, when it held the most ground the borders dataset draws for it: 956,600 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.

Khmer Empire in 800, first 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.

Khmer Empire in 1206, 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.

Where it sits in time

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

Rulers

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

deposed, abdicated, exiled or removedending not on record

Ruler	Reign	Length	How it ended · source	To the ruler before
Jayavarman II	802 – 850	48 years	ending not on record
Suryavarman II	1113 – 1150	37 years	ending not on record
Jayavarman VII	1181 – 1218	37 years	ending not on record
Jayavarman IX Parameçvara	1327 – 1336	9 years	ending not on record
Neay Trasac Paem Chay	1336 – 1340	4 years	ending not on record	in-law
Thommo Soccoroch	1373 – 1393	20 years	ending not on record
Ponhea Yat	1394 – 1431	37 years	exiled, imprisoned or confined, the article saysread from the ruler's own article

7 rulers, 7 with terms dated as terms, covering 802 – 1431. Median reign 37 years. 0 of 6 handovers irregular - a killing, a deposition, a rival claimant, a rising or a coup beside it. 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.

5,400 km² in 802, 241,400 km² in 1431; at its largest 833,200 km² in 1202. 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.

1100 – 11991 row

Jayavarman VII · ruler · 1125 – 1219

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 stood629 years
stood longer than 91% of 3,187 states with a recorded end or still standing.
The most ground it held956,600 km²
held more ground at its peak than 84% 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 median37 years
had longer reigns, at the median, than 90% of 967 states whose dated line can carry a median.
Rulers on record7
has more rulers on record than 73% of 1,968 states with a line of rulers.

Open in the atlas

On the timeline, 739 – 1494, with everything that stood beside it.
On the map in 1206, live: scrub the year and watch its borders move.
Investigate it: what led to it, what came of it, and its succession analysed.

Wikidata Q201705 (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.