2 AH – In the event of Sadd al-Abwab, prophet Muhammad (s) ordered that all doors which were opened to the mosque of Medina be closed except the door of 'Ali's (a) house. (June 2, 624 CE)
The day of Tasu'a • Shimr b. Dhi l-Jawshan entered Karbala. • 'Umar b. Sa'd wanted to launch the attack against Imam al-Husayn (a) but Imam al-Husayn asked for respite.