Hussain ibn Ali, the grandson of the Prophet Muhammad, is remembered annually by millions of Muslims worldwide on his death anniversary – the day of Ashura. He was brutally killed along with his companions and family for refusing to give his allegiance to a corrupt dictator – Yazid ibn Muawiyah.
https://www.youtube.com/watch?v=W9BtKMLxvZo
A movie trailer has recently surfaced online for Hussain Who Said No, an upcoming production (release date unknown) depicting the tragic story of Hussain and his uprising in 680 CE.