Hour 4: Noles/gustafson

Main

1600 BC - 1046 BC
1046 BC - 256 BC
475 BC - 221 BC
221 BC - 207 BC
206 BC - 220

inventions

2900 BC
1300 BC
1200 BC
500 BC
300 BC
300 BC
285 BC
220 BC
200 BC
200 BC
200 BC
100
100 AD
105 AD