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

2) The world's largest desert is the Antarctic Desert, covering around 5.5 million square miles.

3) The Bank of England, established in 1694, is the central bank of the United Kingdom and one of the oldest central banks in the world.

4) The word "yesterday" contains three vowels: E, A, and A.