Husayn at the Battle of Karbala — The painting commemorating the death of Imam Husayn at the Battle of Karbala, though its focus is his half brother Abbas ibn Ali on a white horse
Photo Credit: By Abbas Al-Musavi - Online Collection of Brooklyn Museum; Photo: Brooklyn Museum, 2010, 2002.6_PS2.jpg, Public Domain, https://commons.wikimedia.org/w/index.php?curid=10195432