Mourning Ceremony for Prophet Muhammad and Imam Hasan at Ahlul Bayt Center in ‎Saint Louis of Missouri State, USA.

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), the third Imam of Shia Muslims (March 27, 670 CE).

Source: Abna24