2nd hour : Helms - Walker / Larson

Main

The Fork

2400 BC - 1900 BC

Shang Dynasty

1600 BC - 1046 BC

Zhou Dynasty

1027 BC - 221 BC

Cuju ( mondern day football )

476 BC - 221 BC

Warring States

475 BC - 221 BC

Qin Dynasty

221 BC - 206 BC

Han Dynasty

206 BC - 220 AD

Paper

105 AD

Gunpowder

1044 AD