2nd hour. Watson/McClellan

Main

Silk invented

2700 BC

Shang Dynasty

1600 BC - 1046 BC

Ice Cream invented

1500 BC

Zhou Dynasty

1045 BC - 2056 BC

Zhou Dynasty

1027 BC - 221 BC

Row crops

550 BC

Qin Dynasty

221 BC - 206 BC

Compass invented

221 BC

Warring States

206 BC - 23 AD

Han Dynasty

206 BC - 220 AD

Wheelbarrow invented

50 BC

Paper invented

104 AD

Matches invented

577 AD

Printing invented

593 AD

Gunpowder invented

1040 AD

Decimal System invented

1300