Ulugh Beg

1394 - 1449

Photo of Ulugh Beg

Icon of person Ulugh Beg

Mīrzā Muhammad Tāraghay bin Shāhrukh (Chagatay: میرزا محمد طارق بن شاہ رخ; Persian: میرزا محمد تراغای بن شاهرخ), better known as Ulugh Beg (Persian: الغ‌ بیگ; Turkish: Uluğ Bey; 22 March 1394 – 27 October 1449), was a Timurid sultan, as well as an astronomer and mathematician. Ulugh Beg was notable for his work in astronomy-related mathematics, such as trigonometry and spherical geometry, as well as his general interests in the arts and intellectual activities. It is thought that he spoke five languages: Arabic, Persian, Chaghatai Turkic, Mongolian, and a small amount of Chinese. Read more on Wikipedia

Since 2007, the English Wikipedia page of Ulugh Beg has received more than 664,425 page views. His biography is available in 72 different languages on Wikipedia (up from 67 in 2019). Ulugh Beg is the 9th most popular astronomer (up from 11th in 2019), the 18th most popular biography from Iran (down from 17th in 2019) and the most popular Iranian Astronomer.

Ulugh Beg was a Muslim astronomer and mathematician. He is most famous for the observatory he built in Samarkand, Uzbekistan.

Memorability Metrics

  • 660k

    Page Views (PV)

  • 75.01

    Historical Popularity Index (HPI)

  • 72

    Languages Editions (L)

  • 7.42

    Effective Languages (L*)

  • 3.80

    Coefficient of Variation (CV)

Page views of Ulugh Begs by language

Over the past year Ulugh Beg has had the most page views in the with 189,982 views, followed by Turkish (117,317), and Russian (116,158). In terms of yearly growth of page views the top 3 wikpedia editions are Karakalpak (1,601.43%), Arabic (1,509.64%), and Hindi (445.81%)


Among astronomers, Ulugh Beg ranks 9 out of 644Before him are Johannes Kepler, Giordano Bruno, Ptolemy, Anders Celsius, Tycho Brahe, and William Herschel. After him are Ja'far al-Sadiq, Aristarchus of Samos, Edwin Hubble, Hipparchus, Ole Rømer, and Carl Sagan.

Most Popular Astronomers in Wikipedia

Go to all Rankings


Among people born in 1394, Ulugh Beg ranks 3Before him are Johannes Gutenberg, and Prince Henry the Navigator. After him are Charles, Duke of Orléans, James I of Scotland, Philippa of England, Cymburgis of Masovia, Ikkyū, Basil Valentine, Sidi Boushaki, Ashikaga Yoshinori, and Antonio Beccadelli. Among people deceased in 1449, Ulugh Beg ranks 1After him are Ibn Hajar al-‘Asqalani, Hüma Hatun, Emine Hatun, Peter, Duke of Coimbra, Louis IV, Elector Palatine, and Konrad von Erlichshausen.

Others Born in 1394

Go to all Rankings

Others Deceased in 1449

Go to all Rankings

In Iran

Among people born in Iran, Ulugh Beg ranks 18 out of 631Before him are Abu Nuwas (762), Muhammad ibn Zakariya al-Razi (865), Jabir ibn Hayyan (721), Esther (-600), Hassan-i Sabbah (1050), and Hafez (1325). After him are Cambyses II (-550), Malik-Shah I (1055), Abdul Qadir Gilani (1078), Tughril (990), Al-Tabari (839), and Bodhidharma (483).

Others born in Iran

Go to all Rankings


Among astronomers born in Iran, Ulugh Beg ranks 1After him are Abd al-Rahman al-Sufi (903), Jamshīd al-Kāshī (1380), Abu Hanifa Dinawari (815), and Alenush Terian (1921).