MAPS OF HISTORY · ON THIS DAY · March 31 · 1146
ON THIS DAY · 31 MARCH 1146
Bernard preaches the cross
31 Mar 1146 — at Vézelay, Bernard of Clairvaux summons the Second Crusade before King Louis VII and a vast crowd. Two royal armies will march east; almost none of their men will come home.
THE MOMENT IN CONTEXT
On Christmas Eve 1144, Zengi, the Turkish atabeg of Mosul and Aleppo, storms Edessa — the most exposed of the four states, a salient too far inland to be relieved from the sea. Watch its red turn to hatch in the north-east. But Edessa is more than a lost county. It gives the Muslim counter-crusade its first great victory and its first martyr-city, and it lets a new idea take hold: that the jihad against the Franks is a religious duty, not merely a local war. That idea did not spring up on its own — it was built, by poets, jurists and rulers, above all by Zengi’s son Nur al-Din, who made holy war and the recovery of Jerusalem the explicit programme of his state.
From Chapter 5 — Zengi, Nur al-Din, and the Second Crusade of The Crusades, 1095–1291 (1147).
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TEACH THIS IN 5 MINUTES
- Why it happened — Edessa’s fatal exposure. Of the four states, Edessa lay furthest from the coast and the Italian fleets, deepest in Muslim territory, and most dependent on a divided enemy.…
- The turn — Edessa, 24 December 1144. The fall of the first crusader state does double work: it removes Outremer’s northern shield, and it hands the Muslim world a cause. Everything that…
- What it changed — Damascus lost to the enemy. The bungled siege drove the last friendly Muslim power into Nur al-Din’s hands; by 1154 he holds it, and Outremer is ringed by a single unified…
Then ask the room: Why did the Second Crusade — two kings, two great armies — achieve nothing, when the amateur First Crusade took Jerusalem? The argued answer is on the chapter page →
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