1) The unicorn is the national animal of Scotland.

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

3) The signing of the Magna Carta in 1215 laid the foundation for modern democratic principles and limited the powers of the monarchy in England.

4) The Treaty of Tordesillas, signed in 1494, divided the newly discovered lands outside of Europe between Spain and Portugal, leading to the colonization of the Americas.