MAPS OF HISTORY · ON THIS DAY · April 13 · 1204
ON THIS DAY · 13 APRIL 1204
The sack of Constantinople
12–13 Apr 1204 — a crusade against Islam storms and pillages the greatest Christian city on earth. Relics and the bronze horses of San Marco are carried to Venice; Byzantium is fatally maimed. A site of memory.
THE MOMENT IN CONTEXT
The plan was Egypt — the target Richard had identified. But the crusade’s leaders, bargaining in Venice in 1201, ordered a fleet big enough for an army twice the size of the one that showed up, and could not pay for it. That debt handed the entire expedition to the doge, and from there the arrow bends. To work off what they owed, the crusaders agreed to storm Zara for Venice in 1202 — a Catholic Christian city — and were excommunicated for it. The first wrong turn made the next ones easier.
From Chapter 8 — The Fourth Crusade — The Wrong Ending of The Crusades, 1095–1291 (1204).
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TEACH THIS IN 5 MINUTES
- Why it happened — The Venetian debt. The single decisive error was financial: contracting for a fleet the crusade could not afford, and thereby forfeiting its independence to the…
- The turn — The pretender’s bargain, 1203. This is the hinge — the decision, not the atrocity. Accepting Alexios’s offer pointed the fleet at Constantinople in the first place; every step…
- What it changed — Byzantium fatally weakened. The Greeks retook Constantinople in 1261 (watch the map turn back), but the empire never recovered its strength or its lands. The sack of 1204…
Then ask the room: Was the sack of Constantinople a Venetian conspiracy or a chain of accidents? The argued answer is on the chapter page →
THE ATLAS THAT SHOWS IT
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