1) The highest-grossing concert tour of all time is U2's "360° Tour," which earned over $735 million in ticket sales.

2) The shortest verse in the Bible is "Jesus wept" (John 11:35).

3) The assassination of Archduke Franz Ferdinand of Austria in 1914 triggered the start of World War I.

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.