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feb 21, 1120 - EGIPTO - Comenzó la construcción de un observatorio en el Cairo. Es posible que este fuera el primer observatorio construido en el islam medieval
Added to timeline:
Astro Timeline
By
Vanessa Vergara Aristizabal
26 Oct 2020
0
0
263
Date:
feb 21, 1120
Now
~ 905 years ago
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