Pastlasby Oleh Voronko

State · 1205 – 1432

Principality of Achaea

A state of 1205 – 1432 — 227 years in Europe. The atlas records 24 things within it — wars and battles 3 · people 21. Its line of rulers holds 27 people, 5 with dated terms.

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

Stood
227 years
1205 – 1432
Rulers
27
the Prince of Achaea
Most ground
19,800 km²
in 1206
Within it
24
recorded rows
Symbols
2
on record, with years
Map: Principality of Achaea in 1206, its borders in gold among its neighbours
Principality of Achaea in 1206, when it held the most ground the borders dataset draws for it: 19,800 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.
Principality of Achaea in 1206, at its largest

1206 · at its largest · 19,800 km²

Principality of Achaea in 1395, last mapped

1395 · last mapped · 13,700 km²

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

3000 BCE2000 BCE1000 BCE110002000Principality of Achaea: 1205 – 1432

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

Rulers

The line of Prince of Achaea - the office this state names as its head of state.

Charles II of Naples · 1285 – 1289 · left office alivePhilip I of Piedmont · 1301 – 1307 · left office aliveIsabella of Sabran · 1313 – 1315 · died in office, manner not recordedPedro de San Superano · 1396 – 1402 · died in office, manner not recordedMaria II Zaccaria · 1402 – 1404 · no death date to read the end against1250130013501400
died in officeleft alive by a regular roadending not on record
RulerReignLengthHow it ended · sourceTo the ruler before
Charles II of Naples1285 – 12894 yearsleft office aliveread off the dates alone
Philip I of Piedmont1301 – 13076 yearsleft office aliveread off the dates alone
Isabella of Sabran1313 – 13152 yearsdied in office, manner not recordedread off the dates alone
Pedro de San Superano1396 – 14026 yearsdied in office, manner not recordedread off the dates alone
Maria II Zaccaria1402 – 14042 yearsending not on recordspouse

27 rulers, 5 with terms dated as terms, covering 1285 – 1404. Median reign 4 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.

1250130013501400

19,800 km² in 1215, 13,700 km² in 1425; at its largest 19,800 km² in 1215. Cliopatria, CC BY 4.0.

Flags and arms, in order

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

  • Flag of the Principality of Achaea
    flag, undatedFlag of the Principality of Achaea · CC BY-SA 4.0 · Ketchup-le-Sauce
  • Blason famille de Villehardouin
    coat of arms, undatedBlason famille de Villehardouin · CC BY-SA 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.

1200 – 1299: 12 recorded — 2 wars and battles, 0 risings, regime changes and massacres, 10 other12001300 – 1399: 7 recorded — 1 wars and battles, 0 risings, regime changes and massacres, 6 other13001400 – 1499: 1 recorded — 0 wars and battles, 0 risings, regime changes and massacres, 1 other1400

1200 – 129912 rows · 2 wars and battles

and 4 more in the atlas.

1300 – 13997 rows · 1 wars and battles

1400 – 14991 row

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 stood227 years

    stood longer than 66% of 3,187 states with a recorded end or still standing.

  • The most ground it held19,800 km²

    held more ground at its peak than 21% 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 record27

    has more rulers on record than 94% of 1,968 states with a line of rulers.

Open in the atlas

Wikidata Q332005 (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.