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Seljuk Turks in AP World History: Modern

The Seljuk Turks were a Turkic people from Central Asia who converted to Sunni Islam and built an empire across Persia, Iraq, and Anatolia in the 11th century. After taking Baghdad in 1055, their leaders ruled as sultans holding political and military power, while the Abbasid caliph stayed on as a religious figurehead. They're a standard example of the new Turkic-led Islamic states that formed as the Abbasid Caliphate broke apart.

This definition is part of Fiveable's AP World History: Modern review, which also has guided practice questions.

Verified for the 2027 AP World History: Modern exam•Last updated November 2026•Fiveable Content Team

From steppe nomads to sultans in Baghdad

The Seljuks started as pastoral nomads, part of the Oghuz Turks of Central Asia. They converted to Sunni Islam and moved west into Persia in the early 1000s, when the Abbasid Caliphate was already weak and split among regional rulers.

In 1055 the Seljuk leader Tughril Beg entered Baghdad. He left the Abbasid caliph in place and took the title sultan, meaning the holder of real power. The caliph gave the Seljuks religious legitimacy, and the Seljuks gave the caliph military protection.

This split between who rules and who carries religious authority is what makes the Seljuks useful in AP World. The rulers were new and ethnically Turkic, but they governed inside an Islamic framework the Abbasids had built. Their vizier Nizam al-Mulk, a Persian administrator, founded madrasas (Islamic schools) to train officials and spread Sunni learning, so Persian bureaucrats, Arabic religious scholarship, and Turkic soldiers all worked together inside one state.

Manzikert, Anatolia, and the call for crusaders

In 1071 the Seljuk sultan Alp Arslan defeated a Byzantine army at the Battle of Manzikert and captured the emperor. After the battle, Turkic groups moved into Anatolia (modern Turkey), a region that had been Christian and Byzantine for centuries.

Byzantine losses in Anatolia led Emperor Alexios I to ask Western Europe for military help. Pope Urban II answered in 1095 by calling for what became the First Crusade. So the Seljuks connect directly to the Crusades as a cause, and they show Muslim rule spreading through military expansion, one of the routes the course names for Islam's spread.

Already splintered when the course starts in 1200

After Sultan Malik Shah died in 1092, the Great Seljuk Empire broke into rival branches. By 1200, it had mostly fallen apart. The longest-lasting piece was the Sultanate of Rum in Anatolia, which the Mongols defeated in 1243 and turned into a dependent state.

That timing matters. The Seljuks appear in Topic 1.2: Dar al-Islam from 1200-1450 in Unit 1 as an illustrative example of the new Islamic states that emerged as the Abbasid Caliphate fragmented. They mostly work as the opening case for that topic: the Abbasid Caliphate fragmented, new Islamic political units filled the gap, and most of them were run by Turkic peoples.

The Seljuks also show the continuity, innovation, and diversity that this topic asks you to explain in the new Islamic states. Sunni Islam and the caliphate stayed in place, while the sultan as a ruling office was the innovation. A Turkic, Persian, and Arab ruling mix supplied the diversity. They also connect to the topic's broader point about Islam shaping society, since Islam kept its influence even under ethnic outsiders who chose to protect its institutions.

Pairing the Seljuks with the Mamluks and Delhi Sultanate

The course lists the Seljuk Empire next to two other new Islamic states, and all three share Turkic military leadership:

  • Seljuk Empire: Turkic nomads who took power in the Abbasid heartland and ruled through the caliph.
  • Mamluk Sultanate of Egypt: rulers who rose from military slaves, many of them Turkic, and who held off the Mongols in 1260.
  • Delhi Sultanate: founded in 1206 by a Turkic former slave general, bringing Muslim rule into northern India.

One pattern ties them together. Turkic soldiers, whether as invading nomads or as enslaved soldiers who rose to power, became the ruling class across much of Dar al-Islam after the Abbasids weakened. Using two of these states together is stronger evidence than naming any one alone.

Writing about Seljuk sultans in SAQs and essays

A typical stimulus here is a passage or map on the Abbasid Caliphate breaking apart, followed by a question about a cause, an effect, or what stayed the same. The safe reading is that Turkic rulers took political power while Islam and the caliphate supplied legitimacy.

On short-answer questions, especially Short-answer question 1 (Secondary source) or Short-answer question 3 (Non-text source), the Seljuks can support claims about new Islamic states. Watch the dates, though. These prompts cover 1200 onward, so the 1055 Baghdad takeover and the sultan-caliph arrangement work as context, not as evidence on their own.

For a prompt about 1200-1450, tie that earlier history to something inside the period. The Sultanate of Rum is the clearest choice, since it was still ruling in Anatolia after 1200. The Mongols defeated it in 1243, after which it continued as a dependent state. You can also point to the continuing effects of Abbasid fragmentation, which left room for Turkic-led states like the Mamluks and the Delhi Sultanate. Name the development, connect it to the Seljuk background, and then explain what it shows.

For Question 2 (Long essay), the Seljuks work as background in a continuity-and-change argument about Dar al-Islam, or as context for the Crusades.

Two mix-ups cost points. The Seljuks did not end the Abbasid Caliphate. The Mongols did that when they sacked Baghdad in 1258. Also, the Seljuks are different from the Ottomans. The Ottomans rose around 1300 in Anatolia, the frontier region the Seljuks had opened, and they belong mainly to Unit 3. A quick anchor: Seljuks took Baghdad in 1055, and Ottomans took Constantinople in 1453.

Where this sits in AP® World

Keep studying AP® World Unit 1