In 1657, the first chocolate house was opened in London, England. The cost of chocolate was about 13 shillings per pound and was a drink that only the elite enjoyed.

Due to the deforestation of the forests in North China, over one million tons of sands blows into Beijing from the Gobi desert. It sometimes causes the sky to turn yellow.

The Black Death reduced the population of Europe by one third in the period from 1347 to 1351.

AMAZING FACTS