820 - 912
Abu'l-Qasim Ubaydallah ibn Abdallah ibn Khordadbeh (Arabic: ابوالقاسم عبیدالله ابن خرداذبه; 820/825–913), commonly known as Ibn Khordadbeh (also spelled Ibn Khurradadhbih; ابن خرددة), was a high-ranking bureaucrat and geographer of Persian descent in the Abbasid Caliphate. Read more on Wikipedia
Since 2007, the English Wikipedia page of Ibn Khordadbeh has received more than 140,291 page views. His biography is available in 35 different languages on Wikipedia. Ibn Khordadbeh is the 15th most popular geographer (up from 16th in 2019), the 83rd most popular biography from Iran and the most popular Iranian Geographer.
Ibn Khordadbeh is famous for his writings on the political and cultural geography of the Islamic world, particularly his work "The Book of Roads and Provinces," which provided detailed descriptions of the major trade routes and administrative regions of the Abbasid Caliphate. Ibn Khordadbeh's work was highly influential in shaping our understanding of the economic and political structures of the Islamic world during the medieval period, and his maps and descriptions were used by later geographers and explorers for centuries after his death.
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Among geographers, Ibn Khordadbeh ranks 15 out of 67. Before him are George Everest, Abraham Ortelius, Martin Waldseemüller, Ferdinand von Richthofen, Wladimir Köppen, and Paul Vidal de La Blache. After him are Pomponius Mela, Ya'qubi, Ziryab, David Harvey, Ibn Jubayr, and Élisée Reclus.
1790 - 1866
HPI: 68.88
Rank: 9
1527 - 1598
HPI: 68.83
Rank: 10
1470 - 1520
HPI: 68.01
Rank: 11
1833 - 1905
HPI: 65.87
Rank: 12
1846 - 1940
HPI: 65.71
Rank: 13
1845 - 1918
HPI: 64.12
Rank: 14
820 - 912
HPI: 64.12
Rank: 15
15 - 100
HPI: 63.76
Rank: 16
801 - 898
HPI: 63.17
Rank: 17
789 - 857
HPI: 62.81
Rank: 18
1935 - Present
HPI: 62.02
Rank: 19
1145 - 1217
HPI: 61.55
Rank: 20
1830 - 1905
HPI: 61.05
Rank: 21
Among people born in 820, Ibn Khordadbeh ranks 4. Before him are Pope John VIII, Rastislav of Moravia, and Álmos. After him are Ashot I of Armenia, Vímara Peres, Gisela, daughter of Louis the Pious, Presian I of Bulgaria, Anandavardhana, Ranulf I of Aquitaine, Adalbert I, Margrave of Tuscany, and Rhodri the Great. Among people deceased in 912, Ibn Khordadbeh ranks 3. Before him are Oleg of Novgorod and Leo VI the Wise. After him are Otto I, Duke of Saxony, Abdullah ibn Muhammad al-Umawi, Zhu Wen, Rudolph I of Burgundy, Notker the Stammerer, Smbat I of Armenia, and Ahmad ibn Yusuf.
820 - 882
HPI: 72.33
Rank: 1
820 - 870
HPI: 65.28
Rank: 2
820 - 895
HPI: 64.99
Rank: 3
820 - 912
HPI: 64.12
Rank: 4
820 - 890
HPI: 59.43
Rank: 5
820 - 873
HPI: 56.65
Rank: 6
820 - 874
HPI: 53.28
Rank: 7
820 - 852
HPI: 53.03
Rank: 8
820 - 890
HPI: 52.18
Rank: 9
820 - 866
HPI: 49.60
Rank: 10
820 - 886
HPI: 48.09
Rank: 11
820 - 878
HPI: 48.07
Rank: 12
900 - 912
HPI: 74.30
Rank: 1
866 - 912
HPI: 69.48
Rank: 2
820 - 912
HPI: 64.12
Rank: 3
851 - 912
HPI: 61.63
Rank: 4
844 - 912
HPI: 60.59
Rank: 5
852 - 912
HPI: 59.84
Rank: 6
859 - 912
HPI: 58.55
Rank: 7
840 - 912
HPI: 56.04
Rank: 8
850 - 912
HPI: 55.01
Rank: 9
835 - 912
HPI: 50.56
Rank: 10
Among people born in Iran, Ibn Khordadbeh ranks 83 out of 528. Before him are Moshe Katsav (1945), Mohammad Khodabanda (1531), Akbar Hashemi Rafsanjani (1934), Fath-Ali Shah Qajar (1772), Öljaitü (1280), and Psamtik III (-590). After him are Fakhr al-Din al-Razi (1149), Ali al-Sistani (1930), Mohammad Khatami (1943), Miskawayh (932), Piruz Nahavandi (700), and Bahram V (406).
1945 - Present
HPI: 64.49
Rank: 77
1531 - 1595
HPI: 64.47
Rank: 78
1934 - 2017
HPI: 64.46
Rank: 79
1772 - 1834
HPI: 64.35
Rank: 80
1280 - 1316
HPI: 64.32
Rank: 81
590 BC - 525 BC
HPI: 64.15
Rank: 82
820 - 912
HPI: 64.12
Rank: 83
1149 - 1209
HPI: 64.05
Rank: 84
1930 - Present
HPI: 63.95
Rank: 85
1943 - Present
HPI: 63.88
Rank: 86
932 - 1030
HPI: 63.86
Rank: 87
700 - 644
HPI: 63.79
Rank: 88
406 - 438
HPI: 63.71
Rank: 89
Among geographers born in Iran, Ibn Khordadbeh ranks 1.