State · 498 – 843

Dál Riata

A state of 498 – 843 — 345 years in Europe. It was replaced by Kingdom of Alba. The atlas records 30 things within it — people 30. Its line of rulers holds 43 people, 36 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: 345 years; 498 – 843
Rulers: 43; the list of kings of Dál Riata
Most ground: 59,500 km²; in 750
Within it: 30; recorded rows

Map: Dál Riata in 750, its borders in gold among its neighbours — Dál Riata in 750, when it held the most ground the borders dataset draws for it: 59,500 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.

Dál Riata in 540, 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.

Dál Riata in 750, 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, 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.

After it

Kingdom of Alba · replaced by · 900 – 1286

Rulers

The line of list of kings of Dál Riata.

killed, executed or dead in battledeposed, abdicated, exiled or removeddied in officeleft alive by a regular roadending not on recorda 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
Fergus Mór	500 – 503	3 years	the term ends after the recorded deathread off the dates alone
Domangart Réti	503 – 507	4 years	died in office, manner not recordedread off the dates alone	child
Comgall mac Domangairt	507 – 538	31 years	left office aliveread off the dates alone	child
Gabrán mac Domangairt	538 – 560	22 years	died in office, manner not recordedread off the dates alone	sibling
Conall mac Comgaill	560 – 574	14 years	died in office, manner not recordedread off the dates alone	nephew or niece
Áedán mac Gabráin	574 – 608	34 years	died in office, manner not recordedread off the dates alone
Eochaid Buide	608 – 629	21 years	died in office, manner not recordedread off the dates alone	child
Connad Cerr	627 – 629	2 years	killed, the article saysread from the ruler's own article	child
Domnall Brecc	629 – 642	13 years	ending not on record	sibling
Ferchar mac Connaid	637 – 650	13 years	died in office, manner not recordedread off the dates alone
Dúnchad mac Conaing	650 – 654	4 years	died in office, manner not recordedread off the dates alone
Conall Crandomna	650 – 660	10 years	died in office, manner not recordedread off the dates alone
Domangart mac Domnaill	660 – 673	13 years	died in office, manner not recordedread off the dates alone	nephew or niece
Máel Dúin mac Conaill	673 – 689	16 years	died in office, manner not recordedread off the dates alone
Ferchar Fota	678 – 697	19 years	ending not on record
Domnall Donn	689 – 696	7 years	ending not on record
Eochaid mac Domangairt	697 – 697	under a year	ending not on record
Ainbcellach mac Ferchair	697 – 698	1 year	deposed, the article saysread from the ruler's own article
Fiannamail ua Dúnchado	698 – 700	2 years	died in office, manner not recordedread off the dates alone
Selbach mac Ferchair	700 – 723	23 years	left office aliveread off the dates alone
Dúngal mac Selbaig	723 – 726	3 years	died in office, manner not recordedread off the dates alone	child
Eochaid mac Echdach	726 – 733	7 years	died in office, manner not recordedread off the dates alone
Dúngal mac Selbaig	733 – 736	3 years	the term ends after the recorded deathread off the dates alone
Muiredach mac Ainbcellaig	733 – 736	3 years	died in office, manner not recordedread off the dates alone
Álpin de Dalriada	733 – 736	3 years	left office aliveread off the dates alone
Eógan mac Muiredaig	736 – 739	3 years	ending not on record
Áed Find	748 – 778	30 years	died in office, manner not recordedread off the dates alone
Fergus mac Echdach	778 – 781	3 years	died in office, manner not recordedread off the dates alone	sibling
Donncoirce	781 – 792	11 years	died in office, manner not recordedread off the dates alone
Conall mac Taidg	805 – 807	2 years	died in office, manner not recordedread off the dates alone
Conall mac Áedáin	805 – 811	6 years	died in office, manner not recordedread off the dates alone
Causantín mac Fergusa	811 – 820	9 years	died in office, manner not recordedread off the dates alone
Óengus II	820 – 834	14 years	died in office, manner not recordedread off the dates alone	sibling
Alpín mac Echdach	831 – 834	3 years	killedWikidata's manner of death
Áed mac Boanta	833 – 839	6 years	died in office, manner not recordedread off the dates alone
Eóganan mac Óengusa	837 – 839	2 years	died in office, manner not recordedread off the dates alone
Kenneth MacAlpin	841 – 850	9 years	left office aliveread off the dates alone

43 rulers, 36 with terms dated as terms, covering 500 – 850. Median reign 7 years. 13 of 36 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.

15,700 km² in 548, 41,500 km² in 843; at its largest 59,500 km² in 773. 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.

500 – 5997 rows

Áedán mac Gabráin · ruler · 501 – 608
Fergus Mór · ruler · 500 – 501
Gabrán mac Domangairt · ruler · 501 – 560
Eochaid Buide · ruler · 501 – 629
Domangart Réti · ruler · 500 – 507
Conall mac Comgaill · ruler · 501 – 574
Comgall mac Domangairt · ruler · 500 – 540

600 – 69911 rows

Domnall Brecc · ruler · 601 – 642
Connad Cerr · ruler · 600 – 629
Ferchar mac Connaid · ruler · 601 – 650
Domangart mac Domnaill · ruler · 601 – 673
Conall Crandomna · ruler · 600 – 660
Dúnchad mac Conaing · ruler · 600 – 654
Eochaid mac Echdach · ruler · 650 – 733
Máel Dúin mac Conaill · ruler · 600 – 689

and 3 more in the atlas.

700 – 79911 rows

Alpín mac Echdach · ruler · 778 – 834
Óengus II · ruler · 701 – 834
Fiannamail ua Dúnchado · ruler · 700
Áed Find · ruler · 701 – 778
Causantín mac Fergusa · ruler · 701 – 820
Selbach mac Ferchair · ruler · 700 – 730
Ainbcellach mac Ferchair · ruler · 700 – 719
Conall mac Taidg · ruler · 701 – 807

and 3 more in the atlas.

800 – 8991 row

Kenneth MacAlpin · ruler · 810 – 858

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 stood345 years
stood longer than 77% of 3,187 states with a recorded end or still standing.
The most ground it held59,500 km²
held more ground at its peak than 36% 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 median7 years
had longer reigns, at the median, than 26% of 967 states whose dated line can carry a median.
Rulers on record43
has more rulers on record than 97% of 1,968 states with a line of rulers.

What led to it, and what came of it

The investigation's own picture: 1 cause the record names and 1 result, 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.

in the articlelinked

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

Open in the atlas

On the timeline, 463 – 878, with everything that stood beside it.
On the map in 750, live: scrub the year and watch its borders move.
Investigate it: what led to it, what came of it, and its succession analysed.

Wikidata Q111471 (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.