According to the opinions of al-Shahid and al-Kaf’ami, Imam al-Hasan al-Mujtaba (عليه السلام) was martyred on the seventh of Ṣafar, AH 50. As for the two Shaykhs, Imam al-Hasan (عليه السلام) was martyred on the twenty-eighth of Ṣafar.

On the seventh of Ṣafar, AH 128, Imam Musa ibn Ja’far al-Kadhim (عليه السلام) was born at al-Abwa’ - a place between Makkah and al-Madinah.