State · 1363 – 1486

House of Valois-Anjou

A state of 1363 – 1486 — 123 years in Europe.

Wikidata records no founding for it; the borders dataset maps it from 1363 to 1486, and those are the years drawn here.

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

Stood: 123 years; 1363 – 1486
Most ground: 63,000 km²; in 1440
Symbol: 1; on record, with years

Map: House of Valois-Anjou in 1440, its borders in gold among its neighbours — House of Valois-Anjou in 1440, when it held the most ground the borders dataset draws for it: 63,000 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.

House of Valois-Anjou in 1363, 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.

House of Valois-Anjou in 1440, 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.

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.

23,400 km² in 1363, 6,900 km² in 1486; at its largest 63,000 km² in 1443. Cliopatria, CC BY 4.0.

Flag or arms

Each symbol with the years its own statement gives; the timeline flies the one of the year on screen.

coat of arms, undatedBlason duche fr Anjou (moderne) · Public domain

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 stood123 years
stood longer than 51% of 3,187 states with a recorded end or still standing.
The most ground it held63,000 km²
held more ground at its peak than 37% 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.

Theories that apply to its ending

Of 3 theories of why states fall, 1 has every condition present at this ending; 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 123

Open in the atlas

On the timeline, 1351 – 1498, with everything that stood beside it.
On the map in 1440, live: scrub the year and watch its borders move.
Investigate it: what led to it, what came of it, and its succession analysed.

Wikidata Q1716871 (CC0) · borders Cliopatria, CC BY 4.0 · coast and rivers Natural Earth · symbols from Wikimedia Commons, each credited above · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.