Mus'ab bin Thabit said: By Allah! It has reached me that Hakim bin Hizam came on the Day of Arafah with one hundred slaves, one hundred sacrificial camels and one hundred sheep, and said: "All of this is for Allah." So he set all the slaves free and ordered that the rest be slaughtered.
Hadith Referenceالمعجم الكبير للطبراني / باب الحاء / 3062