Achievements

=Smallpox=
 * Smallpox is a deadly virus and has existed since the tenth century
 * Smallpox causes crater like scars
 * The smallpox was first recognized in China when the eldest son of the Prime Minister Wang Dan died of smallpox.(A.D. 957- 1017)
 * The smallpox was first seen in the Song Dynasty.

=**Waterways**= =Gunpowder=
 * Since ancient times, inland water transport has played a major role in moving goods and commodities from production sources to consumption destinations.
 * It took about 150,000 civilians and 20,000 soldiers worked successfully to construct the new canal after the yellow river flooded and destroyed the grand canal in 1340.
 * The grand canal connects to the Yellow River to the Yangzi River.
 * Gunpowder is also known as the black powder
 * Gunpowder was invented in china and used to develop weapons like the cannon long before the substance was heard of in Europe.
 * Discovered in the third century by mixing sulphur,saltpeter, and charcoal and then exposing the mixture to intense heat.
 * In 960 A.D. the Chinese made the gunpowder in the Song Dynasty.

=Rebuilding the great wall= >
 * The building of the Great wall of China,one of the legendary seven wonders of the world,began in 221 B.C. Eight hundred years later,the Sui Emperor Yang Di began a huge project of repairing the ancient wall.
 * The costs and benefits of building and rebuilding the wall were enormous.
 * The Great Wall's construction involved the forced labor of hundreds of thousands of Chinese,many of whom died from the harsh working conditions and were buried in the wall itself.
 * It took about 2000 years to build the Great Wall of China.
 * [[image:http://3.bp.blogspot.com/-qcGNlMiBapo/TqtSgA3WjjI/AAAAAAAAARE/FZPcfH5VpGQ/s1600/great+wall+china+beijing+touristy+travel+badaling+photography+blogger+ancient.JPG width="365" height="246"]]

=Spinning Wheel=
 * ======Spinning wheel is a device for spinning thread or yarn from natural or synthetic fibres. Spinning wheels appeared in Asia, probably in the 11th century, and very gradually replaced hand spinning with spindle and distaff. Spinning machinery, such as the spinning jenny and spinning frame, displaced the spinning wheel during the Industrial Revolution.======
 * China first developed the spinning wheel in 1035 A.D. During the Song Dynasty.