State · 833 – 907

Great Moravia

A state of 833 – 907 — 74 years in Europe. It followed Principality of Nitra, Samo's Empire and Moravian Principality. The atlas records 3 things within it — people 3. Its line of rulers holds 4 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: 74 years; 833 – 907
Rulers: 4; the Duke of Moravia
Most ground: 281,500 km²; in 875
Within it: 3; recorded rows

Map: Great Moravia in 875, its borders in gold among its neighbours — Great Moravia in 875, when it held the most ground the borders dataset draws for it: 281,500 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.

Great Moravia in 825, 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.

Great Moravia in 875, 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.

Before it

Samo's Empire · follows · 631 – 658
Moravian Principality · follows
Principality of Nitra · follows · 814 – 839

Rulers

The line of Duke of Moravia - the office this state names as its head of state.

Ruler	Reign	Length	How it ended · source	To the ruler before

4 rulers, 0 with terms dated as terms. 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.

30,100 km² in 833, 20,800 km² in 907; at its largest 281,500 km² in 883. 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.

800 – 8992 rows

Svatopluk I of Moravia · ruler · 840 – 894
Mojmir II of Moravia · ruler · 871 – 906

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 stood74 years
stood longer than 41% of 3,187 states with a recorded end or still standing.
The most ground it held281,500 km²
held more ground at its peak than 64% 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.
Rulers on record4
has more rulers on record than 58% of 1,968 states with a line of rulers.

What led to it, and what came of it

The investigation's own picture: 6 causes the record names and 0 results, 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, 823 – 917, with everything that stood beside it.
On the map in 875, live: scrub the year and watch its borders move.
Investigate it: what led to it, what came of it, and its succession analysed.

Wikidata Q193152 (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.