Pastlasby Oleh Voronko

State · 1920 – 1921

Republics of the Soviet Union

A state of 1920 – 1921 — one year in East and Southeast Asia. The atlas records 34 things within it — wars and battles 4 · unrest and atrocity 5 · famine and plague 2 · treaties 4 · people 19.

  • Wikidata records no founding for it; the borders dataset maps it from 1920 to 1921, and those are the years drawn here.
  • Wikidata's English label: republic of the Soviet Union.

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
1920 – 1921
Most ground
21.37 million km²
in 1920
Within it
34
recorded rows
Map: Republics of the Soviet Union in 1920, its borders in gold among its neighbours
Republics of the Soviet Union in 1920, when it held the most ground the borders dataset draws for it: 21.37 million 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.

Where it sits in time

3000 BCE2000 BCE1000 BCE110002000Republics of the Soviet Union: 1920 – 1921

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

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.

19201921

21.37 million km² in 1920, 21.37 million km² in 1921. 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.

1900 – 199934 rows · 4 wars and battles · 5 risings, regime changes and massacres

and 26 more in the atlas.

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 held21,373,000 km²

    held more ground at its peak than 100% of 1,465 states with a border in Cliopatria.

  • Wars recorded per century1.0

    had more wars on record per century than 94% of 3,187 states, counting the wars the atlas hosts under each.

Theories that apply to its ending

Of 3 theories of why states fall, 1 has every condition present at this ending; each is applied by its own logic, condition by condition, and whether its authors named this case is a footnote.

  • Demographic-structural breakdown

    Goldstone 1991 · Turchin & Nefedov 2009

    Applies by its own logic: 2 of its 3 conditions held here (it needs 2), and this is the kind of outcome it predicts — unrest, adverse regime change or the state's ending.

    • famine, plague or disaster within 30 y in the state, or population up 25% over 50 y — prior
    • a war the state is fighting, still under way, or a war the state fought, ended within 10 y — warEnded

Open in the atlas

Wikidata Q236036 (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.