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Almadén
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Almadén

Spain
Also known as: al-Maʿdin
Written and fact-checked by
Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
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History

Almadén, town, Ciudad Real provincia (province), in the comunidad autónoma (autonomous community) of Castile-La Mancha, west-central Spain. Almadén is located in one of the world’s richest mercury-producing regions. The town, originally Roman, then a Moorish settlement (Arabic: al-Maʿdin, “mine”), was captured by Alfonso VII in 1151 and given to the military-religious Knights of the Order of Calatrava, who exploited the mercuric ores. The king of Spain, Charles I (Holy Roman Emperor Charles V), granted the...

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