A Little History of the World No. 18
It is one of the most important countries in the world today, and this is how it all got started. In 220 BCE a warlord called Shih Huang-ti conquered all the other war lords to unite China under one ruler. It would stay like this for more than 2000 years. Shih-Huang-ti was obsessed with finding a potion for immortality; ironically he died after drinking Mercury, which he thought would make him live for ever.