Salam,
Alot of times when he sends these they relate to the day he sends them…so I am sure you can tell that he sent this on Eid al Ghadeer.
In the Name of Allah, the Most Beneficent, the Most Merciful
Hadith 73:
Prophet Muhammad (pbuh&hp): Verily, I am leaving behind two weighty things amongst you, which if you [...]
In the Name of Allah, the Most Beneficent, the Most Merciful
Hadith 72:
Imam Hussein (a): O’ God! Surely you know that whatever we did was not a competition to gain worldly positions and not for the worthless physical attractions of the world. But to show the signs of religious ways and to remove corruption from your [...]
In the Name of Allah, the Most Beneficent, the Most Merciful
Hadith 71:
Imam Ali (a): By God, this world of yours is more contemptible in my eyes than a [chewed-up] bone of a pig in the hand of a leper.
Nahj al-Balagha Maxim 236. Also refer to Sermon 3 (known as al-Shiqshiqiyya) for another similar statement.
In the Name of Allah, the Most Beneficent, the Most Merciful
Hadith 70:
As he was asked about the pure repentance, Imam Ali(a) said: A pure repentance is feeling of sorrow in the heart, seeking forgiveness with the tongue (by utterance), and the intention not to do so ever again.
In the Name of Allah, the Most Beneficent, the Most Merciful
Hadith 69:
Imam Ali’s (a) last will to his sons Imam Hassan (a) and Imam Hussain (a) following a fatal blow on his head during morning prayers by Ibn Muljim (A Kharijite):
My advice to you is to be conscious of Allah and steadfast in your [...]
In the Name of Allah, the Most Beneficent, the Most Merciful
Hadith 68:
Prophet Muhammad (pbuh): Allah has favored Friday over all other days, the month of Ramadan over all other months, and the Night of Destiny (Lailatul-Qadr) over all other nights.