1) Elvis Presley, often referred to as the "King of Rock and Roll," has sold over one billion records worldwide.

2) The musical "Hamilton" has won numerous awards, including 11 Tony Awards and the Pulitzer Prize for Drama.

3) The first photograph of a black hole was captured in 2019 using a network of telescopes around the world.

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