1) The unicorn is the national animal of Scotland.

2) The English alphabet has five vowels: A, E, I, O, and U.

3) The Age of Exploration, during the 15th and 16th centuries, saw European explorers such as Christopher Columbus and Vasco da Gama reach new lands and establish trade routes.

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