01 Rajab, birth of Shī‘ah Imām, Muhammad al-Bāqir
03 Rajab, death of Twelver Imām, ‘Alī al-Naqī
05 Rajab, birth of Twelver Imām, ‘Alī al-Naqī
06 Rajab, some Sufis of Chishti Order celebrate the anniversary of Khawaja Moinuddin Chishti
07 Rajab, Twelvers observe the Festival of Imam Musa al-Kazim in dedication of Musā' al-Kādhim.
09 Rajab, birth of ‘Alī al-Asghar
10 Rajab, birth of Twelver Imām, Muhammad al-Taqī
13 Rajab, birth of ‘Alī ibn Abī Tālib
18 Rajab, death of Abraham (In accordance with Shi'a Islam)
20 Rajab, birth of Janabe Sakina bint Hussain
22 Rajab, Koonday (table cloth dinner) is organized by Shia and Sunni (Not all, as it is controversial) among Muslims of South Asia. It is an occasion for Muslims to discuss Allah and the Ahlul Bayt and to strengthen ties among the community with love and compassion. It is reported to be a practice instructed by 6th Imam, Ja‘far as-Sādiq. It is purported to be the day Mu'āwiyah died;.
24 Rajab, victory to Muslims in the Battle of Khaybar
25 Rajab, death of Twelver Imām, Musā' al-Kādhim
27 Rajab, some Sufi Muslims, along with Shī‘ah Muslims observe the Mi'raj (the day Muhammad (SAW) is believed to have ascended to heaven). It is a national holiday in some Muslim countries.
28 Rajab, Husayn ibn ‘Alī started his journey to Karbalā from Medina.
28 Rajab 1342 A.H. (3 March 1924), the Ottoman Caliphate was abolished by Mustafa Kemal Atatürk
In the year 5 A.H Bilal ibn Harith is reported to have brought a congregation of four hundred men named Banu Muzeena in the presence of Muhammad. They all embraced Islam.
The Battle of Tabouk took place in Rajab, 9 A.H. (October 630)
The second Oath of Aqabah took place in Rajab, 12 A.H. (September 633)
Jerusalem was captured by Saladin in the month of Rajab, 583 A.H. (September/October 1187)