1) The Federal Reserve System, often referred to as the Fed, is the central banking system of the United States.

2) The book series "The Chronicles of Narnia" by C.S. Lewis has sold over 100 million copies worldwide.

3) Taylor Swift is an American singer-songwriter known for her narrative songwriting, catchy pop tunes, and successful albums such as "Fearless," "1989," and "folklore." She has won numerous awards, including Grammy Awards, and has a dedicated fan base worldwide.

4) Cristiano Ronaldo is a Portuguese professional soccer player widely regarded as one of the greatest footballers of all time. He has won numerous awards, including multiple FIFA Ballon d'Or titles, and has played for top clubs such as Manchester United, Real Madrid, and Juventus.