1) The Pacific Ocean is the largest ocean on Earth, covering more than 30% of the planet's surface.

2) The concept of banking dates back thousands of years, with evidence of early banking activities found in ancient civilizations such as Mesopotamia and Egypt.

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

4) The world's largest species of shark, the whale shark, can reach lengths of up to 40 feet (12 meters) and weigh over 20 tons.