| 1023 |
- First paper money printed in China.
|
| 1045 |
- Movable type printing by Bi Sheng in China
|
| Circa 1050 |
- Crossbow invented in France.
|
| 1182 |
|
| Circa 1200 |
- Clothing buttons invented.
|
| 1202 |
- The Hindu-Arabic numbering system introduced to the west by Italian mathematician, Fibonacci.
|
| 1249 |
- Rodger Bacon invented his gunpowder formula.
|
| Circa 1250 |
|
Source: theinventors.org/library/inventors/bl1300s.htm