The event of Ghadir Khumm was remembered and referred to on many occasions after the 18th of Dhu'l Hijjah - in protestations (ihtijaj) and Adjurations (munashadah) and in other situations.
Click on the book icons below to see the detailed references backing up each key context in which this event was remembered and propagated. For example, to see how many Sunni sources record the imprecation of Imam 'Ali [a] in the year 35 AH against those Companions who refused to acknowledge this event - click here: 
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Imam 'Ali [a], in person, reminded others who witnessed the event of Ghadir and the tradition of the Messenger of Allah [s]; these events include:
- On the day of Shura (Election Day for 'Uthman)
- During the days of 'Uthman's rule
- The Day of Rahbah (year 35 AH) when many Companions stood up and bore witness that they attended and heard the tradition of the Prophet [s] first hand, twelve of whom were the participants of the Battle of Badr.
- The Battle of al-Jamal, year 36 AH where he reminded Talhah b. 'Ubaydullah.
- The Day of the Rukban (riders) where several witnesses testified.
- The Day of Battle of Siffin (year 37 AH).
- where the location of Rahbah is clearly indicated. - where this event is mentioned without mention of Rahbah.
Other than Imam 'Ali [a], the rest of the Ahl al-Bayt [a] also reminded people regarding this event:
- Protestation (ihtijaj) by Fatimah al-Zahra' [a]
- Adjuration (munashadah) by Imam al-Hasan [a]
- Adjuration (munashadah) by Imam al-Husayn [a]
Certain Companions of the Prophet [s] did not acknowledge, when adjudicated by Imam 'Ali [a] on the day of Rahbah and Rukban, that they had witnessed the event of Ghadir Khumm and heard the Prophet [s] utter those famous words. Imam 'Ali [a] then imprecated against them and they suffered in various ways, such as by becoming blind or contracting a skin disease.
Historical narrations show these Companions to have included:
- Abu Hamzah Anas b. Malik (d. 90, 91 or 93 AH)
- Al-Bara' b. 'Azib al-'Ansari (d. 71 or 72 AH)
- Jarir b. 'Abd Allah al-Bajali (d. 51 or 54 AH)
- Zayd b. Arqam al-Khazraji (d. 66 or 68 AH)
- Adjuration (munashadah) of youth with Abu Hurayrah
- Protestation (Ihtijaj) of Abd Allah b. Ja'far with Mu'awiyah
- Ihtijaj in refutation of Amr b. al-'Asi
- Ihtijaj of Amr b. al-'Asi with Mu'awiyah
- Ihtijaj of Ammar b. Yasir on day of Siffin
- Ihitjaj of Asbagh b. Nubata in a sitting with Mu'awiyah
- Munashadah of a man with Zayd b. Arqam
- Munashadah of an Iraqi man with Jabir b. Abd Allah al-Ansari
- Ihtijaj of Qays al-Ansari with Mu'awiyah in Madinah
- Ihtijaj Darmiyyah al-Hajwaniyyah with Mu'awiyah
- Ihtijaj of Amr al-Awdi
- Ihtijaj of Umar b. Abd al-aziz, the Umayyad caliph
- Ihtijaj of Ma'mun, the Abbasid caliph, with jurists
source : http://www.al-islam.org
