Because the world cannot survive even .for one atom of a second without the presence a "Masoom" Imam, Imam Zainul Abidin (A.S) could note join his farther and other male members of his caravan in becoming martyrs of Islam on the day of Ashura. Allah made a special for that. Imam Zainul Abidin (A.s) was very on the day of Ashura and he could not take part in the Jihad.
Mtu wa kwanza wa ukoo wa Bani Abbas kuanzisha propaganda dhidi ya ukoo wa Bani Umayah alikuwa Muhammad bin Ali bin Abdallah bin Abbas. Alituma watu nchini Iran kwenda kupokea "Bai'at" (kiapo cha utii) kwa watu wa ukoo wa Bani Hashim kutoka kwa watu wa nchi hiyo.