1) The world's first stock exchange was established in Amsterdam in 1602.

2) The unicorn is the national animal of Scotland.

3) The highest mountain in Africa is Mount Kilimanjaro, standing at 19,341 feet (5,895 meters) tall.

4) The ancient Egyptian civilization, with its impressive pyramids, pharaohs, and hieroglyphics, flourished along the Nile River for thousands of years.