State · 900 – 1239

Principality of Pereiaslav

A state of 900 – 1239 — 339 years in Europe. Its line of rulers holds 4 people.

Wikidata's English label: Principality of Pereyaslavl.

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

Stood: 339 years; 900 – 1239
Rulers: 4; the Prince of Pereiaslav
Most ground: 94,800 km²; in 1072

Map: Principality of Pereiaslav in 1072, its borders in gold among its neighbours — Principality of Pereiaslav in 1072, when it held the most ground the borders dataset draws for it: 94,800 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.

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
Yaroslav the Wise	988 – 1010	22 years	ending not on record
Vsevolod I of Kyiv	1054 – 1073	19 years	ending not on record	child
Volodymyr II Monomakh	1094 – 1113	19 years	ending not on record	child
Volodymyr IV Riurykovych	1206 – 1239	33 years	ending not on record

4 rulers, 4 with terms dated as terms, covering 988 – 1239. Median reign 20.5 years. 0 of 3 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.

94,800 km² in 1075, 94,800 km² in 1239; at its largest 94,800 km² in 1075. 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 stood339 years
stood longer than 76% of 3,187 states with a recorded end or still standing.
The most ground it held94,800 km²
held more ground at its peak than 44% 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 median22 years
had longer reigns, at the median, than 68% of 967 states whose dated line can carry a median.
Rulers on record4
has more rulers on record than 58% of 1,968 states with a line of rulers.

Open in the atlas

On the timeline, 866 – 1273, with everything that stood beside it.
On the map in 1072, live: scrub the year and watch its borders move.
Investigate it: what led to it, what came of it, and its succession analysed.

Wikidata Q1261908 (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.