AN IMPORTANT SOURCE ON THE HISTORY OF ULUGH BEG

This article explores the life, scientific legacy, and educational institutions established by the great scholar and statesman Sultan Ulugh Beg. In particular, the Ulugh Beg Madrasa, built in Samarkand between 1417 and 1420, is described as a true academic center. Ulugh Beg personally supervised every stage of its construction and paid great attention to the selection of teachers. Historical sources and literary works portray him as a knowledgeable, just, and science-loving ruler. The article also analyzes a letter written by Ghiyath al-Din Jamshid al-Kashi to his father, providing rare and valuable insights into the scientific environment of Samarkand during Ulugh Beg's reign, scholarly debates, and the construction of the observatory. Some information found in the letter is not mentioned in other historical sources. Furthermore, the article provides detailed data on the financial support Ulugh Beg allocated for the madrasa, scholars, and students, including the number of beneficiaries and the total amount of funding. Through this analysis, the article reveals the multifaceted nature of Ulugh Beg's contributions and his prominent role in the development of Islamic science and education. It also supports the proposal to take inspiration from the Ulugh Beg Madrasa for the main facade of the Islamic Civilization, emphasizing its historical and spiritual significance.