Japan, on the map of history

What was Japan before it was Japan? Below, every era of this land in the Maps of History collection — who ruled it, what it was called, and when control changed — each line linked to the dated map that shows it. Modern borders stand in as an honest approximation; every atlas says so on the map itself.

Japan (Kamakura shogunate) · The Mongol Empire, 1206–1294

The Kamakura shogunate beheaded Khubilai’s envoys and prepared: the Hakata wall held the 1281 armada offshore until the typhoon — kamikaze, the divine wind — destroyed it. Victory bankrupted the regime (no conquered land to pay the samurai) and gave Japan a national legend with a long, dark afterlife. The strait did what no wall on the mainland could.

1206	Beyond the storm — the opening position

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Japan · The Russian Revolution, 1905–1924

Japan, having beaten Russia in 1905, sent the largest intervention force and kept it longest — up to 70,000 troops in the Far East until October 1922 — with real ambitions of carving out a Siberian sphere. Its withdrawal marked the civil war’s final foreign departure; its appetite for the Asian mainland was only postponed.

JAN 1905

Foreign powers & intervention — the opening position

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Japan (Empire of Japan) · China in Revolution, 1911–1949

The empire whose army audited itself. Japan enters this atlas already holding Taiwan and Korea, takes Shandong in 1914, Manchuria in 1931 by a field conspiracy Tokyo dared not punish, and China’s coast in 1937 through an escalation no one in Tokyo could stop. Its planners called Manchuria a lifeline and China an incident; the incident consumed a million-man garrison, licensed its enemies’ revolutions, and ended with the home islands occupied — the charcoal on this map hatched into defeat. No power on this map did more to decide who would rule China, or intended it less.

1912	The Empire of Japan & its puppets — the opening position
1945	Japan defeated & under occupation (1945)

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Japan · The Great War, 1914–1918

Japan joined the Entente in August 1914, took Tsingtao and Germany’s Pacific islands in weeks (Ch. 7), pressed China with the Twenty-One Demands, and sat at Versailles as a great power — where its racial-equality clause was voted down. It kept Shandong and the islands; the Pacific war of 1941 would be fought across the archipelagos this war gave it.

NOV 1914	The Entente & Allies — the opening position
NOV 1914	The Entente & Allies

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Japan · The Road to War, 1931–1941

The first mover. A constitutional empire whose army answered to no cabinet: Mukden (1931) was insubordination ratified, the China war (1937) escalation nobody ordered, and Pearl Harbor the endpoint of an oil clock its own conquests wound. Every gamble worked until the one that mattered; the six months Yamamoto promised ran out at Midway, six months and three days after this atlas ends.

1931	The aggressors (Japan, Germany, Italy) — the opening position

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Japan · The War Room — WW2, 1936–1945

An island empire that gambled it could conquer resources faster than America could mobilize anger (Ch. 7). Its army committed vast atrocities in Asia; its cities were burned and atom-bombed; its surrender came only when Emperor overrode military deadlock (Ch. 14). Occupied, democratized, and pacifist by constitution since.