State · 1138 – 1320

Duchy of Sandomierz

A state of 1138 – 1320 — 182 years in Europe. The atlas records 3 things within it — wars and battles 1 · people 2. Its line of rulers holds 5 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: 182 years; 1138 – 1320
Rulers: 5; the Duke of Sandomierz
Most ground: 141,700 km²; in 1192
Within it: 3; recorded rows

Map: Duchy of Sandomierz in 1192, its borders in gold among its neighbours — Duchy of Sandomierz in 1192, when it held the most ground the borders dataset draws for it: 141,700 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.

Duchy of Sandomierz in 1139, 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.

Duchy of Sandomierz in 1192, 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.

ending not on record

Ruler	Reign	Length	How it ended · source	To the ruler before
Władysław II the Exile	1138 – 1146	8 years	ending not on record
Henry of Sandomierz	1146 – 1166	20 years	ending not on record	sibling
Leszek I the White	1194 – 1227	33 years	ending not on record
Bolesław V the Chaste	1227 – 1230	3 years	ending not on record
Władysław I Łokietek	1304 – 1320	16 years	ending not on record

5 rulers, 5 with terms dated as terms, covering 1138 – 1320. Median reign 16 years. 0 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.

30,600 km² in 1148, 25,600 km² in 1298; at its largest 141,700 km² in 1198. 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

Henry II the Pious · politician · 1196 – 1241

1200 – 12992 rows · 1 wars and battles

Bolesław V the Chaste · person · 1226 – 1279
Battle of Tursko · battle · 1241

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 stood182 years
stood longer than 60% of 3,187 states with a recorded end or still standing.
The most ground it held141,700 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 median16 years
had longer reigns, at the median, than 51% 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.

Open in the atlas

On the timeline, 1120 – 1338, with everything that stood beside it.
On the map in 1192, live: scrub the year and watch its borders move.
Investigate it: what led to it, what came of it, and its succession analysed.

Wikidata Q16933165 (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.