It impacted a nation.  Living on the other side of a national tragedy can be traumatic in itself.  A nation is mourning for you and the event continues year after year.  However, the trauma does not need to continue.

“He will cover you with his pinions, and under his wings you will find refuge; his faithfulness is a shield and buckler. You will not fear the terror of the night, nor the arrow that flies by day, nor the pestilence that stalks in darkness, nor the destruction that wastes at noonday.”  Psalm 91:4-6

“But whoever listens to me will dwell secure and will be at ease, without dread of disaster.”  Proverbs 1:33

“He heals the brokenhearted And binds up their wounds.”  Psalm 147:3