Here you could find Interesting Information about Imam Sajjad ('a)'s Life
The Political Role of Imam Al-Sajjad (ʿa) in Reviving the Revolution of Ashura from the Viewpoint of Ayatollah Makarem Shirazi
Through his perseverance, resistance, lack of submission, and delivery of fiery sermons in Kufah and Damascus, Imam al-Sajjad (ʿa) was able to turn the public opinion against Yazīd and turn a formerly safe environment in to an unsafe one for the Umayyads.
The “#altruism_still_lives” Campaign
The website of the office of Grand Ayatollah Makarem Shirazi, in collaboration with the Iranian Blood Transfusion Organization, has organized a campaign called #altruism_still_lives to invite all the people, who are mourning Imam Hussein’s ('a) martyrdom, to donate blood.