1) The Olympic motto is "Citius, Altius, Fortius," which is Latin for "Faster, Higher, Stronger."

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

3) The most-watched television event in the United States is the Super Bowl, with millions of viewers tuning in each year.

4) Hugh Jackman is an Australian actor, singer, and producer best known for his portrayal of Wolverine in the "X-Men" film series. He has also starred in musicals such as "Les Misérables" and "The Greatest Showman" and has received critical acclaim for his performances.