1) The musical "Les Misérables" is one of the longest-running shows in the West End and Broadway, with over 13,000 performances.

2) The Black Lives Matter movement, which gained prominence in 2013, advocates for racial justice and equality, addressing systemic racism and police violence against Black individuals.

3) The word "country" contains three vowels: O, U, and Y.

4) J.K. Rowling's "Harry Potter" series of books has sold over 500 million copies worldwide and has been translated into 80 languages.