Watch VoirFilms. On August 6 1945 The Us Dropped An Atomic Bomb On Hiroshima Aiming To Force Japans Surrender In WWII The Explosion Killed Over 70000 Instantly With Tens Of Thousands More Dying From Burns Radiation And Injuries The City Was Leveled Survivors Faced Lifelong Trauma Illness And Stigma As The World Confronted Nuclear Horror For The First Time