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Mūsā b. Jaʿfar (a) (b. 128/745 – d. 183/799) titled as al-Kāẓim and Bāb al-Ḥawāʾij was the seventh Imam of Shi'a, born in Abwa' (a village between Mecca and Medina). After his father Imam Ja'far al-Sadiq (a) was martyred he (a) became the Imam of Shi'a. The thirty-five years of his imamate coincided with the caliphate of al-Mansur, al-Hadi, al-Mahdi, and Harun al-Rashid. Al-Mahdi and Harun repeatedly imprisoned him and he was finally martyred in 183/799 in al-Sindi b. Shahik's prison. After his martyrdom, he was succeeded by his son, 'Ali b. Musa (a), as the next Imam.
Imam al-Kazim's (a) life coincided with the peak of the Abbasid caliphate. He practiced taqiyya (precautionary dissimulation) about the government and recommended the Shi'as to do the same. Thus, there is no report of him taking explicit positions against the Abbasid caliphs or concerning Alids uprisings, such as the Uprising of Fakhkh. However, in his debates and dialogues with Abbasid caliphs and others, he tried to question the legitimacy of the Abbasid caliphate.
Some debates and dialogues between Musa b. Ja'far (a) and some Jewish and Christian scholars have been reported in sources of history and hadiths. His dialogues with the scholars of other religions have been collected in Musnad al-Imam al-Kazim, some of which have been transmitted by People of Consensus. He also expanded the Wikala network (the network of deputyship), appointing people as his representatives or deputies in different areas. His life also coincided with some divisions within Shiism as well. At the beginning of his imamate, Isma'iliyya, Fatahiyya, and Nawusiyya were formed, and after his martyrdom, the Waqifiyya came to existence.......
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- Laylat al-Ragha'ib «The first Thursday night of Rajab which has especial rituals.»
- Birth of Imam Ali (a) Inside the Ka'ba «is regarded as his exclusive virtue and is widely reported in Shi'a and Sunni sources.»
- Imam Muhammad al-Baqir (a) «The fifth Imam of the Shi'a, known as Bāqir al-ʿUlūm, born on 1 Rajab, renowned for his profound knowledge and role in the development of Shi'a teachings.»
- Mi'raj «The nightly journey of the Holy Prophet (s) from Mecca to al-Aqsa Mosque and from there to the skies.»
- Change of the Qibla «In Rajab, 2 AH/ 624 CE, the qibla of Muslims was changed from al-Aqsa Mosque to the Ka'ba in Mecca.»
- Bi'tha «Bi'tha marks the beginning of Prophet Muhammad’s (s) mission, which began on Rajab 27, 13 lunar years before Hijra/June 25, 610 CE, with the first revelation in the Hira' cave near Mecca.»
- Al-'Umra al-Rajabiyya «A type of al-'umra al-mufrada performed in Rajab, considered especially virtuous, with rewards close to those of Hajj.»
- Historical Anniversaries of Rajab «Rajab is a sacred month in Islam, known for important events and special acts of worship.»
- Guarantor of the Gazelle (painting)
- Risalat Seminary (Kabul)
- Wearing a ring
- Muslimiyya (ritual)
- Qur'an 7:6
- Taking Payment for Obligatory Acts
- Ascension of Jesus
- Qur'an 9:55
- Abad wa-llah ma nansa Husayna
- Exemptions from Debt
- Qur'an 35:10
- Saluni qabla 'an tafqiduni (book)
- Qur'an 2:129
- Denial of Paternity (Nafy al-Walad)
- Principle of Firash
- Qur'an 33:60
- Salawat on Fatima and Her Family
- Sayyid Ali Milani
- Qur'an 4:1
- 1908 bombardment of the Majlis (Iran)
Today Thursday, 8 January, 2026 / 18 Rajab, 1447
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- 1942 CE - Birth of Sayyid Sadiq Shirazi (Dhu l-Hijja 20, 1360 AH)
- 1956 CE - Demise of Muhaqqiq Zahid (Jumada I 24, 1375 AH)
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- 2020 CE - The missile attack of Iran's IRGC on Ain al-Asad, the American airbase in Iraq, in response to the assassination of Qasem Soleimani. 1441 AH)
