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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.......
Other featured articles: Imam Muhammad b. Ali al-Jawad (a) – Imam Ali b. Abi Talib (a) – Event of Ghadir

- ... the responsibility for the service and guardianship of the Kaaba, known as the Sedanat, was held by the Banu Shaiba tribe before Islam, and after the conquest of Mecca, the Prophet (s) entrusted them with the keys, a responsibility they have held ever since?
- ... Firuz Daylami, an Iranian companion of the Prophet (s), killed Aswad 'Ansi, one of the false claimants to prophethood, by the Prophet’s (s) order, and put an end to his rebellion?
- ... according to a narration from Imam al-Sadiq (a), the night of the 15th of Sha'ban is considered the most virtuous night after Laylat al-Qadr?
- Month of Rajab «The seventh month of the Islamic calendar, regarded as one of the sacred months with special devotional practices.»
- 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.»
- Qur'an 2:129
- Qur'an 33:60
- Sayyid Ali Milani
- 1908 bombardment of the Majlis (Iran)
- Guardians of Islamic Jihad (Afghanistan)
- 'Uqba b. 'Amr al-Sahmi
- Haytham 'Ali Tabataba'i
- Isra International Foundation for Revealed Sciences
- Indonesian Ahl al-Bayt Congregation Union (IJABI)
- Hasan b. Ziyad al-'Attar
- Adwa' 'ala l-fikr al-siyasi al-Islami (book)
- Rebellion of Yahya b. 'Abd Allah
- Plurality Vote
- Qur'an 10:36
- Ali b. Hadid al-Mada'ini
- Al-Haqiqa al-Shar'iyya
- Following Muhammad (book)
- Intention of Specific Prescription
- Hubb al-Husayn Yajma'una (slogan)
- Mujtahid al-Mutajazzi
Today Monday, 5 January, 2026 / 15 Rajab, 1447
- 1858 CE - Birth of Muhammad Qasim Urdubari, a Shi'a jurist. (Jumada I 19, 1274 AH)
- 1877 CE - Demise of Mirza 'Abd al-Rahim Nahawandi (Rabi' II 9, 1304 AH)
- 1877 CE - Demise of al-Sayyid Haydar b. Sulayman al-Hilli (Rabi' II 9, 1304 AH)
- 2011 CE - Demise of 'Ali Muhammad Izha'i (Muharram 29, 1432 AH)
- 4 BH - Termination of the sanctions over the Prophet (s) and Muslims in the Shi'b Abi Talib (March 8, 619 CE)
- 2 AH - Change of the Qibla (January 12, 624 CE)
- 60 AH - Death of Mu'awiya b. Abi Sufyan (April 21, 680 CE)
- 62 AH – Demise of Lady Zaynab (a), daughter of Imam Ali (a) (March 30, 682 CE)
- 148 AH - Martyrdom of Imam al-Sadiq (a) according to some reports (September 6, 765 CE)

