State · 851 – 1076

Principality of Salerno

A state of 851 – 1076 — 225 years in Europe. The atlas records 1 thing within it — wars and battles 1. Its line of rulers holds 2 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: 225 years; 851 – 1076
Rulers: 2; the Prince
Most ground: 17,600 km²; in 840
Within it: 1; recorded row
Symbol: 1; on record, with years

Map: Principality of Salerno in 840, its borders in gold among its neighbours — Principality of Salerno in 840, when it held the most ground the borders dataset draws for it: 17,600 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 Salerno in 840, 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.

Principality of Salerno in 1066, last 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.

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
Siconulf of Salerno	840 – 851	11 years	ending not on record
Gisulf II of Salerno	1052 – 1077	25 years	ending not on record

2 rulers, 2 with terms dated as terms, covering 840 – 1077. Median reign 18 years. 0 of 1 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.

17,600 km² in 851, 5,400 km² in 1076; at its largest 17,600 km² in 851. 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, undatedPrincipatus Salerni coat of arms · CC BY-SA 4.0 · TheDastanMR

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.

900 – 9991 row · 1 wars and battles

Battle of Stilo · battle · 982

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 stood225 years
stood longer than 66% of 3,187 states with a recorded end or still standing.
The most ground it held17,600 km²
held more ground at its peak than 20% 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 median25 years
had longer reigns, at the median, than 75% of 967 states whose dated line can carry a median.
Rulers on record2
has more rulers on record than 34% of 1,968 states with a line of rulers.

Open in the atlas

On the timeline, 828 – 1099, with everything that stood beside it.
On the map in 840, live: scrub the year and watch its borders move.
Investigate it: what led to it, what came of it, and its succession analysed.

Wikidata Q1065299 (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.