Seljuk Turks

The Seljuk Turks were a Turkic Muslim group that conquered Persia, Iraq, and Anatolia in the 11th century, ruling as sultans while the Abbasid caliph kept only religious authority. On the AP World exam, they're a go-to example of new Turkic-led Islamic states that emerged as the Abbasid Caliphate fragmented.

Verified for the 2027 AP World History: Modern examLast updated June 2026

What are the Seljuk Turks?

The Seljuk Turks were pastoral nomads from Central Asia who converted to Sunni Islam, then swept into the heart of the Islamic world in the 1000s. They captured Baghdad in 1055, but here's the twist that AP World loves: they didn't get rid of the Abbasid caliph. Instead, the Seljuk leader took the title sultan and held the real political and military power, while the caliph stayed on as a religious figurehead. New rulers, same religion, same basic political framework. That's the pattern the CED calls continuity, innovation, and diversity in new Islamic states.

The Seljuks also pushed Islam into new territory. Their victory over the Byzantine Empire at the Battle of Manzikert in 1071 opened Anatolia (modern Turkey) to Turkic settlement and helped trigger the Crusades, since a panicked Byzantium asked Western Europe for help. By 1200, where the AP World course officially starts, the Seljuk Empire had splintered, but its offshoots (like the Sultanate of Rum in Anatolia) and its model of Turkic military rule shaped basically every major Islamic state you'll study in Unit 1.

Why the Seljuk Turks matter in AP World

The Seljuk Empire is a named illustrative example in Topic 1.2 (Dar al-Islam from 1200-1450) under learning objective 1.2.B, which asks you to explain the causes and effects of the rise of Islamic states. The essential knowledge is almost a description of the Seljuks themselves: as the Abbasid Caliphate fragmented, new Islamic political entities emerged, most dominated by Turkic peoples. The Seljuks are your cleanest proof of that claim. They also matter for 1.2.A (Islam continued to shape societies across Africa and Asia) because Seljuk rulers were Sunni Muslims who protected the caliph and sponsored Islamic institutions even though they were ethnic outsiders. Religion provided the continuity while the ethnicity of rulers changed. That continuity-with-new-rulers idea is one of the most tested patterns in Unit 1.

How the Seljuk Turks connect across the course

Abbasid Caliphate (Unit 1)

This is the relationship to memorize. The Seljuks conquered Baghdad but kept the Abbasid caliph as a religious symbol while the sultan ran the actual government. Think of it like a company keeping its famous brand name after new owners take over.

Sultanate of Rum (Unit 1)

A Seljuk successor state in Anatolia that kept Turkic Muslim rule alive after the main empire broke apart. It's the bridge between the Seljuks and the later Ottoman Empire, which rose from the same Anatolian frontier.

Crusades (Units 1-2)

The Seljuk victory at Manzikert in 1071 and their control of the Levant prompted Byzantium's call for help, which launched the First Crusade. That makes the Seljuks a cause you can cite when explaining increased Afro-Eurasian contact and conflict.

Delhi Sultanate (Unit 1)

Another Turkic Muslim state listed right alongside the Seljuks in the CED. If an MCQ asks about the broader pattern of Turkic peoples dominating new Islamic states, the Seljuks, Delhi sultans, and Mamluks are the three examples to reach for.

Are the Seljuk Turks on the AP World exam?

The Seljuks show up mostly in multiple-choice and short-answer questions about Topic 1.2. A classic stem gives you a passage about the Abbasid Caliphate's decline and asks which new powers emerged, or asks what the Seljuk-Abbasid relationship demonstrates about Islamic political development. The answer they're fishing for is that Turkic military rulers held political power while Arab caliphs kept religious legitimacy, showing both change (new ethnic leadership) and continuity (Islam as the unifying framework). No released FRQ has used the term verbatim, but the Seljuks work well as evidence in a continuity-and-change essay about Dar al-Islam, or as context for the Crusades. Don't just name-drop them; explain what they show about the pattern.

The Seljuk Turks vs Ottoman Turks

Both were Turkic Muslim peoples who conquered Anatolia, but they belong to different eras of the course. The Seljuks rose in the 11th century and were already fragmenting by 1200, making them Unit 1 background and an example of post-Abbasid Islamic states. The Ottomans emerged around 1300 from the Anatolian frontier the Seljuks had opened, then built a gunpowder empire that's a centerpiece of Unit 3. Quick check: Seljuks took Baghdad (1055); Ottomans took Constantinople (1453).

Key things to remember about the Seljuk Turks

  • The Seljuk Turks were Central Asian nomads who converted to Sunni Islam and conquered Persia, Iraq, and Anatolia in the 11th century.

  • After taking Baghdad in 1055, the Seljuk sultan held real political power while the Abbasid caliph remained a religious figurehead, a classic AP example of continuity and change.

  • The Seljuks are a CED illustrative example of new Islamic political entities dominated by Turkic peoples that emerged as the Abbasid Caliphate fragmented (LO 1.2.B).

  • Their 1071 victory at Manzikert opened Anatolia to Turkic settlement and helped trigger the Crusades by prompting Byzantium to ask Europe for military help.

  • Group the Seljuks with the Mamluk sultanate and the Delhi Sultanate as the three Turkic-led Islamic states the AP exam expects you to know for Topic 1.2.

Frequently asked questions about the Seljuk Turks

What did the Seljuk Turks do in AP World History?

The Seljuks were a Turkic Muslim people who conquered Persia, Iraq, and Anatolia in the 11th century, capturing Baghdad in 1055. In AP World, they're a named example of new Turkic-dominated Islamic states that rose as the Abbasid Caliphate fragmented (Topic 1.2).

Did the Seljuk Turks destroy the Abbasid Caliphate?

No. The Seljuks conquered Baghdad but deliberately kept the Abbasid caliph in place as a religious figurehead while the Seljuk sultan held actual political power. The Abbasid Caliphate wasn't destroyed until the Mongols sacked Baghdad in 1258.

How are the Seljuk Turks different from the Ottoman Turks?

The Seljuks came first (11th century) and ruled from Persia through Anatolia before fragmenting by the time the AP course starts in 1200. The Ottomans rose around 1300 in Anatolia, partly on land the Seljuks had opened, and became the Unit 3 gunpowder empire that conquered Constantinople in 1453.

Were the Seljuk Turks Sunni or Shia?

Sunni. That mattered politically because it let them rule as protectors of the Sunni Abbasid caliph and present themselves as defenders of mainstream Islam, which gave their military takeover religious legitimacy.

How did the Seljuk Turks cause the Crusades?

Their defeat of the Byzantine Empire at Manzikert in 1071 cost Byzantium most of Anatolia, and Seljuk control of the Levant restricted Christian access to Jerusalem. The Byzantine emperor's appeal to the pope for help led directly to the First Crusade in 1095.