1) The Epic of Gilgamesh, originating from ancient Mesopotamia, is one of the oldest surviving works of literature and tells the story of the heroic king Gilgamesh and his quest for immortality. It explores themes of friendship, mortality, and the relationship between humans and the divine.

2) The Appalachian Mountains, running along the eastern coast of the United States, are one of the oldest mountain ranges in the world.

3) The world's first speeding ticket was issued in 1902 to a motorist who was driving at the astonishing speed of 45 miles per hour (72 km/h).

4) Leonardo DiCaprio is an acclaimed American actor and environmental activist. He has starred in numerous successful films, including "Titanic," "The Revenant," and "The Wolf of Wall Street," and has been recognized with several awards, including an Academy Award.