The claim
The House of Wisdom was the centre of the translation movement in Baghdad.
The evidence
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The chain of transmitters — passage/muwatta-1-059
A Muwatta hadith with isnad.
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chronicle — building/bayt-al-hikma
The House of Wisdom — the Abbasid institution for translation and research.
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object — place/baghdad
Baghdad — the Abbasid capital and centre of the scholarly movement.
The historians' note
Researchers describe it as a library and translation centre; its role expanded across the centuries.