Cultural Achievements: Flourished in arts and sciences, established the House of Wisdom in Baghdad.
Religion: Predominantly Islamic, with significant contributions to Islamic philosophy, science, and literature.
Overthrown by: Mongol invasion in 1258, leading to the sack of Baghdad.
Seljuk Empire
Time Period: 1037–1194 CE
Founded by: The Seljuk Turks.
Key Rulers: Tughril Beg, Alp Arslan, Malik Shah.
Cultural Achievements: Expanded the empire greatly; promoted Persian culture and Islamic scholarship.
Religion: Sunni Islam was the dominant religion; they played a major role in the Islamic revival and supported the Sunni Orthodox tradition.
Overthrown by: The Crusaders and later diminished by internal divisions and the rise of the Mongols.
Ottoman Empire
Time Period: 1299–1922 CE
Founded by: Osman I.
Key Rulers: Mehmed II (the Conqueror), Suleiman the Magnificent.
Cultural Achievements: Major advancements in architecture, art, and governance; capitalized in Istanbul (formerly Constantinople).
Religion: Predominantly Islamic; the empire was known for its religious tolerance, allowing various communities (e.g., Christians and Jews) to maintain their own laws and practices.
Overthrown by: Post-World War I territorial losses, leading to the establishment of the Republic of Turkey under Mustafa Kemal Atatürk in 1923.
Sultanate of Delhi
Time Period: 1206–1526 CE
Founded by: Qutb al-Din Aibak, a former slave of Muhammad Ghori.
Key Rulers: Iltutmish, Razia Sultana, Alauddin Khilji, Muhammad Tughlaq.
Cultural Achievements: Promoted Persian culture and architecture; construction of major landmarks like the Qutub Minar and the Alai Darwaza.
Religion: Predominantly Islamic; the sultanate established Islamic institutions and promoted religious learning while coexisting with Hindu populations.
Overthrown by: The Mughals after the conquests of Babur, leading to the establishment of the Mughal Empire in India.