Remaking the State: Meiji Japan 1600–1912 and Post-Soviet Russia 1964–2000 · THE MAP IN AUG 1842

Map of Japan in August 1842

Nanking: five Chinese ports opened

Japan in August 1842: Nanking: five Chinese ports opened. Since 1840, 1 territory changed status on this map: Hong Kong (British from 1842).

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Map of Japan in August 1842: Nanking: five Chinese ports opened. Colours show Independent neighbours, Western powers and allies, The shogun’s lands and allies. — AUG 1842 · REMAKING THE STATE: MEIJI JAPAN 1600–1912 AND POST-SOVIET RUSSIA 1964–2000

These maps are reconstructed from published sources · Yamaguchi Prefecture: Hagi main domain and four branch domains · Cliopatria v0.2.1 dated political boundaries · Atlas chapter bibliography and event-specific source record · Edo Domains c.1862, v0.1 · Joint Japanese–Russian compendium of territorial treaties, 1855–1905 · Natural Earth v5.1.2 complete geographic reference · Natural Earth full administrative reference units · Natural Earth v5.1.2 disputed-area references · Natural Earth v5.1.2 Amur / Heilong Jiang river centreline · The World and Japan database: official historical treaties

Source details

Yamaguchi Prefecture cultural heritage service. Historical factual evidence; no map or prose copied
Cliopatria contributors / Seshat Global History Databank. CC BY 4.0
Maps of History, citing the scholarly bibliography in SOURCES.md. Historical factual reference; no copyrighted prose reproduced
iao (2025), using Rekihaku village-domain records and MAFF 2015 agricultural settlement geometry; upstream processing by yaoyue00085856. CC0 1.0 · Original EPSG:4326 village polygons dissolved per domain; source enclaves and holes retained. c.1862 is the closest dated reference for earlier chapters; village proxies are not cadastral surveys.
Ministries of Foreign Affairs of Japan and the Russian Federation. Official historical treaty facts
Natural Earth contributors. Public domain
Natural Earth contributors. Public domain
Natural Earth contributors. Public domain
Natural Earth contributors. Public domain
GRIPS / University of Tokyo. Historical official treaty facts; no translated prose copied

Domains in earlier years use the published c.1862 village reconstruction, the nearest available source. Tenryo and rebellion overlays are explicitly regional locators and do not claim cadastral or uniform held territory.

proxy: 1855 treaty extent; Natural Earth 5.1.2 coastline · reconstruction: 1842 · reconstruction: 1858 Treaty of Aigun · reconstruction: 1860 Treaty of Peking · reconstruction: Existing treaty/event date · reconstruction: Pre1879 geographic reference · reconstruction: Source coastline reference · reconstruction: c.1862 · reconstruction: c.1862 reference · vector: 1640–1859 · vector: 1783–1852 · vector: 1822–1855 · vector: 1824–1845 · vector: 1824–1852 · vector: 1828–1855 · vector: 1834–1858 · vector: 1840–1845 · vector: 1842–1845 · vector: 1842–1847 · vector: 1842–1852

Layer records and reconstruction methods

What changes on the map

Hong Kong (British from 1842)

Independent neighbours → Western powers and allies

On the ground

The dots show treaty ports where, from 1842, foreigners lived and traded under their own law.

The chapters of this moment

CH 1 — Tokugawa shogunate and sakoku

Related maps

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