Nasir al-Din Mahmud I was the sultan of the

Seljuk Empire The Great Seljuk Empire, or the Seljuk Empire was a high medieval, culturally Turko-Persian, Sunni Muslim empire, founded and ruled by the Qïnïq branch of Oghuz Turks. It spanned a total area of from Anatolia and the Levant in the west to ...

from 1092 to 1094. He succeeded

Malik Shah I Jalāl al-Dawla Mu'izz al-Dunyā Wa'l-Din Abu'l-Fatḥ ibn Alp Arslān (8 August 1055 – 19 November 1092, full name: fa, ), better known by his regnal name of Malik-Shah I ( fa, ), was the third sultan of the Great Seljuk Empire from 1072 t ...

as Sultan, but he did not gain control of the empire built by Malik Shah and Alp Arslan. Terken Khatun, the wife of Malik Shah, tried to win the throne for her 4 year old son Mahmud, who was proclaimed sultan in

Baghdad Baghdad (; ar, بَغْدَاد , ) is the capital of Iraq and the second-largest city in the Arab world after Cairo. It is located on the Tigris near the ruins of the ancient city of Babylon and the Sassanid Persian capital of Ctesiphon. I ...

. The older son of Malik Shah,

Barkiyaruq Rukn al-Din Abu'l-Muzaffar Berkyaruq ibn Malikshah ( fa, ابو المظفر رکن الدین برکیارق بن ملکشاه, Rukn al-Dīn Abuʿl-Moẓaffar Berkyāruq ibn Malik-Šāh; 1079/80 – 1105), better known as Berkyaruq (), was the f ...

, was proclaimed too, and the armies of the two pretenders met in

Borujerd Borujerd ( fa, بروجرد ''Borūjerd'') is a city and the capital of Borujerd County, Lorestan Province in western Iran. At the 2016 census, its population was 234,997 persons. Among the existing modern cities in Iran, Borujerd is one of the ...

, near

Hamadan Hamadan () or Hamedan ( fa, همدان, ''Hamedān'') (Old Persian: Haŋgmetana, Ecbatana) is the capital city of Hamadan Province of Iran. At the 2019 census, its population was 783,300 in 230,775 families. The majority of people living in Ham ...

. The forces of Barkiyaruq won and took the capital Isfahan. After this, Mahmud and his mother were assassinated by the family of the vizir Nizam al-Mulk. Following Malik Shah I's death, successor states split from the Great Seljuk. In

Anatolia Anatolia, tr, Anadolu Yarımadası), and the Anatolian plateau, also known as Asia Minor, is a large peninsula in Western Asia and the westernmost protrusion of the Asian continent. It constitutes the major part of modern-day Turkey. The ...

, Malik Shah I was succeeded by

Kilij Arslan I Kilij Arslan ibn Suleiman ( 1ca, قِلِج اَرسلان; fa, , Qilij Arslān; tr, I. Kılıç Arslan or ''Kılıcarslan'', "Sword Lion") (‎1079–1107) was the Seljuq Sultan of Rum from 1092 until his death in 1107. He ruled the Sultan ...

, who escaped from Isfahan; and in Syria by Mahmud's uncle

Tutush I Abu Sa'id Taj al-Dawla Tutush (; died 25 February 1095) or Tutush I, was the Seljuk emir of Damascus from 1078 to 1092, and sultan of Damascus from 1092 to 1094. Years under Malik Shah Tutush was a brother of the Seljuk sultan Malik-Shah I. In 1 ...

. Other governors in Aleppo and Amid declared independence too. The disunity within the Seljuk realms allowed for the unexpected success of the

First Crusade The First Crusade (1096–1099) was the first of a series of religious wars, or Crusades, initiated, supported and at times directed by the Latin Church in the medieval period. The objective was the recovery of the Holy Land from Islamic r ...

shortly afterwards, beginning in 1096.Asbridge, Thomas S., ''The First Crusade: A New History'', (Oxford University Press, 2004), 334.

References

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11th-century births Seljuk rulers 11th-century monarchs in the Middle East 1087 births 1094 deaths 11th-century Turkic people {{MEast-royal-stub