MAPS OF HISTORY · ON THIS DAY · June 18 · 1815
ON THIS DAY · 18 JUNE 1815
Waterloo. Napoleon’s last army breaks against Wellington’s ridge and…

Waterloo. Napoleon’s last army breaks against Wellington’s ridge and Blücher’s evening arrival.
THE MOMENT IN CONTEXT
Now the coalition that never cohered finally does — and look at what the map shows arriving at Leipzig in October 1813: Russia, Prussia, Austria and Sweden converging with half a million men on Napoleon’s 200,000, in the “Battle of the Nations,” the largest engagement in European history before the World Wars. The allies have adopted every French invention — mass conscription, corps systems, even a rule (the Trachenberg Plan) to refuse battle wherever the Emperor commands in person and attack his marshals everywhere else. Three days break the Grand Empire: the Rhine Confederation defects mid-battle, 70,000+ men fall, and France is thrown back across the Rhine. In 1814 the allies do what was unthinkable for twenty years and march on Paris itself (the charcoal arrow); Napoleon, fighting his most brilliant campaign with teenaged conscripts, is finally dethroned by his own marshals’ refusal to continue. Exile to Elba; the Bourbons return in the baggage of the coalition; Europe exhales and sends its diplomats to Vienna to redraw the map — watch the hatching appear: restored monarchies, the age’s new color.
From Chapter 9 — The Fall of The Age of Revolutions, 1775–1848 (JUN 1815).
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TEACH THIS IN 5 MINUTES
- Why it happened — The coalition finally fought as one. Twenty years of separate defeats taught the powers to subordinate rivalry to survival: unified command (Schwarzenberg), British subsidies…
- The turn — Leipzig, 16–19 October 1813. Waterloo is the famous name, but Waterloo only decided how the story ended twice; Leipzig decided that it ended. Outnumbered five to three, with…
- What it changed — A machine for peace, run by policemen. The Concert’s congresses (Aix-la-Chapelle, Troppau, Verona) become standing counter-revolutionary machinery: Troppau (1820) asserts a right of armed…
Then ask the room: Was the Congress of Vienna a masterpiece of statecraft or a conspiracy against the future? The argued answer is on the chapter page →
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