'Jalāl al-Dawlah Mālikshāh' or simply 'Malik Shah' (
Persian:
ملكشاه,
Turkish: ''Melikşah'') (died
1092) was the
Seljuk sultan from
1072 to
1092.
He drove the
Byzantine Empire out of most of
Anatolia following their defeat by his father
Alp Arslan at the
Battle of Manzikert in
1071. Likewise, he reformed the calendar with the
Jalāli calendar in
1079. Malik Shah expanded Seljuk power into
Syria at the expense of the
Fatimids of
Egypt, setting up client sultans in
Edessa,
Aleppo and
Damascus and is remembered as one of the greatest of the Seljuk sultans.
Revolt in Anatolia
Süleyman revolted against Malik Shah I and proclaimed himself the Sultan of Rüm, establishing his capital at Nicaea. He expanded his realm but was killed near
Antioch (Antakya) in 1086 by
Tutush I, the Seljuk ruler of
Syria. Süleyman's son,
Kilij Arslan I, was captured and the lands in Anatolia was taken hostage by Malik Shah I to
Isfahan. It is uncertain whether Tutush killed Süleyman out of loyalty to Malik Shah I or simply for personal gain.
State Organization
The principal post in the organization was that of the vizier
Nizam ul-Mulk who served both him and his father and achieved a near mythic stature in contemporary Muslim histories.
Legacy
After his death in
1092 the Seljuk empire disintegrated into smaller states, mostly antagonistic towards each other, as his brother and four sons quarrelled over the apportioning of the empire between themselves. In
Anatolia, Malik Shah I was succeeded by
Kilij Arslan I who founded the
Sultanate of Rûm, and in
Syria by his brother
Tutush I. In Persia he was succeeded by his son
Mahmud I whose reign was contested by his other three brothers
Barkiyaruq in
Iraq,
Muhammad I in
Baghdad and
Ahmed Sanjar in
Khorasan.
The disunity within the Seljuk realms allowed for the unexpected success of the
First Crusade shortly afterwards, beginning in
1096.