In Islam, saving human life and helping others against affliction are always enjoined. In the holy #QuranGod says, “Whosoever saves a human life, saves the life of the whole mankind” [5: 32].
The holy prophet Muhammad’s grandson, Imam Hussain (pbuh), is the one who gave his life to save the whole mankind. He saved Islam by his blood. He revive Islam, the last version of the religion sent by God to save the humanity.
Thus every year, Shi’ite Muslims across the globe donate blood on the martyrdom anniversary of Imam Hussain(PBUH) and all 72 of his companions on the day of Ashura.