1) 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).

2) Brad Pitt is an American actor and film producer. He has starred in a wide range of films, including "Fight Club," "Inglourious Basterds," and "Once Upon a Time in Hollywood," and has received critical acclaim and numerous awards for his performances.

3) The concept of gravity was famously described by Sir Isaac Newton after an apple fell on his head.

4) In Norse mythology, the Valkyries are divine maidens who serve Odin, the chief god. They are responsible for selecting warriors worthy of entering Valhalla and escorting them to the afterlife. They are often depicted as powerful and beautiful figures, riding winged horses and wielding spears.