State · 266 – 420

Jin dynasty (266–420)

A state of 266 – 420 — 154 years in East and Southeast Asia. It followed Three Kingdoms. It was followed by Northern and Southern dynasties and Liu Song dynasty. The atlas records 9 things within it — unrest and atrocity 1 · people 8. Its line of rulers holds 5 people.

Wikidata's English label: Jin dynasty.

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

Stood: 154 years; 266 – 420
Rulers: 5; the Emperor of China
Most ground: 4.38 million km²; in 283
Within it: 9; recorded rows

Map: Jin dynasty (266–420) in 283, its borders in gold among its neighbours — Jin dynasty (266–420) in 283, when it held the most ground the borders dataset draws for it: 4.38 million 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.

Jin dynasty (266–420) in 283, 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.

Jin dynasty (266–420) in 417, 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, what it replaced or followed and what replaced or followed it in grey.

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

Three Kingdoms · follows

After it

Liu Song dynasty · followed by · 420 – 479
Northern and Southern dynasties · followed by · 420 – 589

Rulers

The line of Emperor of China.

killed, executed or dead in battledied in officeleft alive by a regular roada second row: a reign that began before the last had ended — rival claimants, or a shared throne

Ruler	Reign	Length	How it ended · source	To the ruler before
Emperor Wu of Jin	266 – 290	24 years	died in office, manner not recordedWikidata's end cause on the term
Emperor Hui of Jin	290 – 307	17 years	killedWikidata's manner of death	child
Sima Lun	301 – 301	under a year	executedWikidata's manner of death
Emperor Huai of Jin	307 – 311	4 years	left office aliveread off the dates alone
Emperor Min of Jin	313 – 316	3 years	left office aliveread off the dates alone	nephew or niece

5 rulers, 5 with terms dated as terms, covering 266 – 316. Median reign 4 years. 3 of 4 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.

2.97 million km² in 266, 2.93 million km² in 420; at its largest 4.38 million km² in 286. 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.

200 – 2994 rows

Emperor Wu of Jin · ruler · 236 – 290
Emperor Hui of Jin · ruler · 259 – 307
Emperor Huai of Jin · ruler · 284 – 313
Sima Lun · ruler · 240 – 301

300 – 3995 rows · 1 risings, regime changes and massacres

Fan Ye · politician · 398 – 445
Emperor Min of Jin · ruler · 300 – 318
Pei Songzhi · writer · 372 – 451
Huan Wen · commander · 312 – 373
Disaster of Yongjia · atrocity · 311

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 stood154 years
stood longer than 56% of 3,187 states with a recorded end or still standing.
The most ground it held4,375,300 km²
held more ground at its peak than 97% 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 median4 years
had longer reigns, at the median, than 13% of 967 states whose dated line can carry a median.
Rulers on record5
has more rulers on record than 64% of 1,968 states with a line of rulers.

What led to it, and what came of it

The investigation's own picture: 13 causes the record names and 6 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.

linkedcoincidence

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

Theories that apply to its ending

Of 3 theories of why states fall, 1 has every condition present at this ending and 1 some of them; each is applied by its own logic, condition by condition, and whether its authors named this case is a footnote.

Dynastic cycle and the decay of group feeling
Ibn Khaldun 1377 · Turchin & Nefedov 2009
Applies by its own logic: the condition it names held here, and this is the kind of outcome it predicts — adverse regime change or the state's ending.
- the state 90 to 160 years old — ageBand 154

Open in the atlas

On the timeline, 251 – 435, with everything that stood beside it.
On the map in 283, live: scrub the year and watch its borders move.
Investigate it: what led to it, what came of it, and its succession analysed.

Wikidata Q7352 (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.