5th period:Green

Dynasties

Shang Dynasty

1700 B.C. - 1027 B.C.

Zhou Dynasty

1027 B.C. - 221 B.C.

Qin Dynasty

221 B.C. - 207 B.C.

Han Dynasty

207 B.C. - 220 A.D.

Events

Warring States

475 B.C. - 221 B.C.

Inventions

Pottery Wheel

2900 B.C.

Shang Dynasty

1700 B.C. - 1027 B.C.

Silk

1300 B.C.


According to a legend, Leizu, Chinese Empress, wife of the Yellow Emperor of Chia, discovered silkworms spinning cocoons. She collected some cocoons and dropped a cocoon into the steaming water and amazed when a shining and soft thread started to separate itself from cocoon. Thus she invented silk loom.

Matches

557 B.C.


Early matches were made of sticks of pinewood with sulfur.

Magnetic Compass

500 B.C.


Magnetic compasses were heavy and difficult to carry at first.

Cast Iron

400 B.C.


Chinese developed the process of refining iron into steel in 2nd century BC.

Printing

220 B.C.

Tea

200 B.C.

Paper

105 B.C.

Gun Powder

200 A.D.

Canal/Lock

600 A.D.