1) 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.

2) The Sahara Desert, located in North Africa, is the largest hot desert in the world, covering an area of about 9.2 million square kilometers (3.6 million square miles). It is characterized by vast stretches of sand dunes, rocky plateaus, and extreme temperatures.

3) The word "country" contains three vowels: O, U, and Y.

4) The word "guitar" contains three vowels: U, A, and I.