Do not attempt to supersede the Qur'an and my family...
Do not attempt to supersede the Qur'an and my family, and do not be negligent in your actions towards these two, because if you do so, you shall be destroyed.” After stating this, he took the hand of 'Ali (a.s.), raised it up and introduced him to the multitudes of people and asked: “Who has more of a right over the believers than their own selves?” Everyone present proclaimed: “Allah and His Prophet know better.” The Noble Prophet (s) then said: “Allah is my master and I am the master of all the believers and I have more right and authority over the believers than they have over their own selves.” Then he continued: مَنْ كُنْتُ مَوْلاَهُ فَهٌذَا عَلِيٌّ مَوْلاَهٌ.
The day of Ghadir was a day of epic proportions in history. It was a day which would become known as the Day of Wilayat (Mastership); the Day of Imamate (Leadership); the Day of Wisayat (hip); the Day of Brotherhood; the Day of Valour; the Day of Courage, Bravery and Protection (of the faith); the Day of Pleasure for the Believers; and they Day of Candidness.
It was a Day of: (Divine) blessings; Showing thanks to the Almighty; Conveyance of the message; Congratulations and felicitations; Happiness, delight and gift giving; The pact and promise and renewal of the Pledge of Allegiance; Completion of the religion; Expression of the truth; Grief of Shaitan; Introducing the leader and the (true) path; Testing (the faith) of the Muslims; Despair for the enemies; Hope for the (true) friends.
In summary, it was the Day of Islam, Qur'an, and the Ahlul Bait (a.s.). It was the day which the followers of the true teachings of the faith of Islam mark with great esteem and a day when they congratulate one another.