4th Period: Wright

Dynasty

Shang

1700 B.C. - 1050 B.C.

Zhou

1046 B.C. - 221 B.C.

Warring States

475 B.C. - 221 B.C.

Qin

221 B.C. - 206 B.C.

Han

206 B.C. - 220 A.D.

Inventions

Bronze Crafting

1766 B.C.

ChopSticks

1600 B.C.

Musical Instruments

1450 B.C.

Silk

1300 B.C.

Writing

1200 B.C.

Kite

1000 B.C.

Compass

1000 B.C.

Glass

834 B.C.

Canals

600 B.C.

Porcelain

600 B.C.

CrossBow

431 B.C.

Great Wall

221 B.C.

Printing

220 B.C.

Tea

200 B.C.

Toilet Paper

200 B.C.

Abacus

100 A.D.

Movable Sails and Rudder

100 AD

Iron Refining

400 A.D.

Gunpowder

700 AD

The Clock

725 A.D.