Mourning Ceremony on Demise of Prophet Muhammad, Imam Al-Hasan, and Imam Al-Ridha, was held at Karbala Center in Orebro, Sweden.
According to En.abna24.com, 28th Safar, Demise of Prophet Muhammad (S) at the age of 63, (May 25, 632 CE) and Martyrdom of Imam Al-Hasan al-Mujtaba (A. S), the third Imam of Shia Muslims (March 27, 670 CE). Imam al-Rida (A. S) (148/766) was martyred by the poisoned fruit al-Ma'mun gave him. This happened on the last day of Safar which would be whether 29 or 30 of Safar. (September 5, 818).