-
50
Porecelain
They created Porecelain -
150
Boats
They created boats -
200
Steel
They created steel -
250
Compass was devolpoded
China found the compass -
450
Paddles
They created paddles to steer there boats -
618
Bridges
they improved bridges -
650
Paper
Paper was created -
750
Tea
They created tea -
1050
Moveable type
They created the moveable type -
1050
Gunpowder
They found gunpowder
