State · 1921 – 1922
Provisional Priamurye Government
A state of 1921 – 1922 — one year in East and Southeast Asia. Its line of rulers holds 3 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
- one year
- 1921 – 1922
- Rulers
- 3
- the Ruler
- Most ground
- 343,000 km²
- in 1922
- Symbol
- 1
- on record, with years
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.
| Ruler | Reign | Length | How it ended · source | To the ruler before |
|---|---|---|---|---|
| Spiridon Dionisevich Merkulov | 1921 – 1922 | 1 year | ending not on record | |
| Mikhail Diterikhs | 1922 – 1922 | under a year | ending not on record | |
| Anatoly Pepelyayev | 1922 – 1923 | 1 year | ending not on record |
3 rulers, 3 with terms dated as terms, covering 1921 – 1923. Only 2 years of the line are dated - too short for a median. 0 of 2 handovers irregular - a killing, a deposition, a rival claimant, a rising or a coup beside it. The violent-handover count is withheld: power changed hands so often that any rising falls beside one (exposure 1.00, limit 0.6). 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.
343,000 km² in 1922. 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.

flag, undatedFlag of Russia · 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 stood1 years
stood longer than 3% of 3,187 states with a recorded end or still standing.
- The most ground it held343,000 km²
held more ground at its peak than 68% 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 record3
has more rulers on record than 48% of 1,968 states with a line of rulers.
Open in the atlas
- On the timeline, 1911 – 1932, with everything that stood beside it.
- On the map in 1922, live: scrub the year and watch its borders move.
- Investigate it: what led to it, what came of it, and its succession analysed.
Wikidata Q1381504 (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.