Meiji Japan and post-Soviet Russia · TURNING POINT · 1985–86

Oil price collapse (1985–86)

On the Meiji Japan and post-Soviet Russia map as “The oil price falls”

1985–1986 — World oil prices fell by more than half in a year, and earnings from West Siberia’s fields collapsed. At the same time, the anti-alcohol campaign cut vodka revenue. The Soviet budget slid into a deficit, which was covered by printing money.

When: 1985–1986
Type: Turning point
Chapter: Perestroika and glasnost (chapter 8 of Meiji Japan and post-Soviet Russia)
Atlas: Remaking the State: Meiji Japan 1600–1912 and Post-Soviet Russia 1964–2000

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Map showing Oil price collapse (1985–86), turning point in Remaking the State: Meiji Japan 1600–1912 and Post-Soviet Russia 1964–2000 — TURNING POINT · REMAKING THE STATE: MEIJI JAPAN 1600–1912 AND POST-SOVIET RUSSIA 1964–2000

These maps are reconstructed from published sources · Atlas chapter bibliography and event-specific source record · Natural Earth v5.1.2 complete geographic reference · International Crisis Group: former Nagorno-Karabakh Autonomous Oblast geographic data · The Berlin Airlift, 1948–1949 · Berlin’s four-power status and its termination · The rise and fall of the Berlin Wall · Cliopatria v0.2.1 historical polities · Decolonization of Asia and Africa, 1945–1960 · Natural Earth v5.1.2 country geography · Natural Earth administrative references

Source details

Maps of History, citing the scholarly bibliography in SOURCES.md. Historical factual reference; no copyrighted prose reproduced
Natural Earth contributors. Public domain
International Crisis Group. GPL-3.0 · Only features explicitly labelled former NKAO are dissolved, irrespective of later control category. Later adjacent territories and Lachin corridor are excluded. Derivative data provided separately under GPL3.
US government historical publication. Historical facts cited; no source artwork or prose reproduced
US government historical publication. Historical facts cited; no source artwork or prose reproduced
US government historical publication. Historical facts cited; no source artwork or prose reproduced
Cliopatria contributors / Seshat Global History Databank. CC BY 4.0 · Selected dated records; documented component selection, unions and shared-edge extraction.
US Department of State, Office of the Historian. US government publication
Natural Earth contributors. Public domain · Full source components and holes retained; documented historical unions and repairs.
Natural Earth contributors. Public domain

The constituent Soviet republics use full successor-unit geographic references, with Crimea in Ukraine and the later Baikonur lease hole filled. Conflict hatches locate named territories and are excluded from sovereign-area accounting; source-date gaps are explicit.

proxy: 1945–1990, later municipal exterior reference · proxy: Natural Earth v5.1.2 · proxy: Natural Earth v5.1.2 contemporary reference · reconstruction: 1945–1991 · reconstruction: 1953–1972 · reconstruction: 1958–1989 · reconstruction: 1976–1989 · reconstruction: Chapter route completion/event date · reconstruction: Former1923–1991NKAO perimeter, retrospectively mapped · reconstruction: Postwar Yugoslav reference · vector: 1936–1986 · vector: 1953–2023 · vector: 1969–1975 · vector: 1969–1986 · vector: 1987–2005 · vector: 1987–2023

Layer records and reconstruction methods