New games! PlayTrivia andBirthle.



764 - 786

Photo of Al-Hadi

Icon of person Al-Hadi

Abū Muḥammad Mūsā ibn al-Mahdī al-Hādī (Arabic: أبو محمد موسى بن المهدي الهادي; 26 April 764 CE – 14 September 786 CE) better known by his laqab al-Hādī (الهادي‎) was the fourth Arab Abbasid caliph who succeeded his father al-Mahdi and ruled from 169 AH (785 CE) until his death in 170 AH (786 CE). Read more on Wikipedia

Since 2007, the English Wikipedia page of Al-Hadi has received more than 285,726 page views. His biography is available in 35 different languages on Wikipedia (up from 34 in 2019). Al-Hadi is the 2,692nd most popular politician (down from 2,328th in 2019), the 100th most popular biography from Iran (down from 86th in 2019) and the 57th most popular Iranian Politician.

Al-Hadi is most famous for the introduction of the "five pillars" of Islam. These are five obligations that all Muslims are expected to follow. The five pillars are: Shahada, Salat, Zakat, Sawm, and Hajj.

Memorability Metrics

  • 290k

    Page Views (PV)

  • 63.10

    Historical Popularity Index (HPI)

  • 35

    Languages Editions (L)

  • 5.12

    Effective Languages (L*)

  • 3.05

    Coefficient of Variation (CV)

Page views of Al-Hadis by language


Among politicians, Al-Hadi ranks 2,692 out of 15,577Before him are Peter III of Portugal, Nawaf Al-Ahmad Al-Jaber Al-Sabah, Archduke Charles Joseph of Austria, Otto Wille Kuusinen, Ayas Mehmed Pasha, and Emperor Momozono. After him are Charles II, Duke of Parma, Childebert II, Hissène Habré, Hyeokgeose of Silla, Thabo Mbeki, and Thomas of Lancaster, 1st Duke of Clarence.

Most Popular Politicians in Wikipedia

Go to all Rankings


Among people born in 764, Al-Hadi ranks 1 Among people deceased in 786, Al-Hadi ranks 2Before him is Desiderius. After him are Abo of Tiflis and Cynewulf of Wessex.

Others Born in 764

Go to all Rankings

Others Deceased in 786

Go to all Rankings

In Iran

Among people born in Iran, Al-Hadi ranks 100 out of 528Before him are Naser al-Din Shah Qajar (1831), Yazdegerd I (400), Qasem Soleimani (1957), Sogdianus of Persia (-500), Mohammad Ali Shah Qajar (1872), and Mithridates I of Parthia (-195). After him are Mazdak (450), Ahmad Shah Qajar (1898), Shahnaz Pahlavi (1940), Bahram Chobin (600), Demetrius II Nicator (-161), and Abdullah al-Mahdi Billah (873).

Others born in Iran

Go to all Rankings


Among politicians born in Iran, Al-Hadi ranks 57Before him are Abu Sa'id Bahadur Khan (1305), Naser al-Din Shah Qajar (1831), Yazdegerd I (400), Sogdianus of Persia (-500), Mohammad Ali Shah Qajar (1872), and Mithridates I of Parthia (-195). After him are Ahmad Shah Qajar (1898), Demetrius II Nicator (-161), Abdullah al-Mahdi Billah (873), Tahmasp II (1704), Yazdegerd II (500), and Bardiya (-580).