Referral: The sacking of Baghdad by Hulagu Khan (& allies) led Mongols in 1258 leading to virtual end of Abbasid caliphate

Readers may want to see my post on another blog: The sacking of Baghdad by Hulagu Khan (& allies) led Mongols in 1258 leading to virtual end of Abbasid caliphate,  https://ravisiyermisc.blogspot.com/2019/10/the-sacking-of-baghdad-and-virtual-end.html, 26th Oct. 2019.