281K views · 3.9K reactions | Twenty-two years ago today, a truck bomb went off outside the Alfred P. Murrah Federal Building in Oklahoma City, Oklahoma, killing 168 people and injuring hundreds. | NBC News | Facebook

Since the atomic bombings of Hiroshima and Nagasaki 78 years ago, the U.S. remains the only country to have used a nuclear weapon during wartime. The bombings’ survivors, or Hibakusha, still suffer the effects of the atrocity. | AJ