Year 625 CE which is a common year in the Julian calendar started on Tuesday, Rajab 15, 3 AH, and ended on Tuesday, Rajab 25, 4 AH.
- January 25 – The Prophet (s) slaughtered an animal ('Aqiqah) for Imam al-Husayn (a). (Sha'ban 9, 3 AH)
- January/February – Marriage of the Prophet (s) with Hafsa bt. 'Umar (Sha'ban, 3 AH)
- March 23 – The Battle of Uhud was fought between Muslims and the polytheists of Mecca at the mountain of Uhud. (Shawwal 7, 3 AH)
- March 24 – Battle of Hamra' al-Asad (Shawwal 8, 3 AH)
- July/August – In Sariyya of Bi'r Ma'una, polytheists attacked a group of reciters of the Qur'an and killed them. (Safar, 4 AH)
- August – According to one report, wine became prohibited at this time. (Rabi' I, 4 AH)
- August – Battle of Banu Nadir occurred between the prophet (s) and Jews of Banu Nadir after they broke their treaty with Muslims. (Rabi' I, 4 AH)
- Marriage of the Prophet (s) with Umm Salama
- Sariyya of Raji' in which six (or seven) companions of the prophet (s) were trapped, captivated, and martyred occurred in Raji'.