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1 event

15th century

c. 1420s★★★★★
Ulugh Beg Observatory in Samarkand
Timurid ruler Ulugh Beg builds a great observatory in Samarkand, where one of the most accurate star catalogues of the age is compiled.
Science· Uzbekistan

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Timeline · World History Timeline

Timeline

15th century

Ulugh Beg Observatory in Samarkand