Which dynasty was in power during the Anarchy at Samarra (861-870 CE)?

Q. Which dynasty was in power during the Anarchy at Samarra (861-870 CE)?
Answer: Abbasid Dynasty
Notes: The Anarchy at Samarra (861-870) was a period of Abbasid Caliphate instability marked by rapid caliphal successions, military dominance by Turkish guards, and weakened central authority. Key caliphs included al-Muntasir, al-Musta'in, al-Mu'tazz, al-Muhtadi, and al-Mu'tamid.