11. Two bullets colliding
What happened: Two bullets reportedly collided in midair
Where: United States.
Some claim these bullets collided during the Battle of Gallipoli in the 1910s. The exact details are unknown, but the impact is fascinating.

Two bullets collided. Reddit: r/technicallythetruth/
Bullets rarely meet in the air. At Gettysburg, two Civil War bullets that collided are displayed, showing just how rare this event is.