1) The first recorded car accident occurred in 1891 in Ohio.

2) The Mariana Trench in the western Pacific Ocean is the deepest part of the world's oceans, reaching a depth of approximately 36,070 feet (10,994 meters).

3) The phenomenon known as "black holes" occurs when matter is crushed into an infinitely small space, creating a gravitational pull so strong that nothing can escape.

4) The ancient city of Rome was founded in 753 BC and went on to become one of the most powerful and influential civilizations in history.