1248
| 1248 • Roger Bacon publishes the formula for black powder in Europe. |
about
Age: 19y
1267
Age: 19y
birth of childJean De Franchimont 3 Sources ⇓ |
| 1267 • Treaty of Montgomery: King Henry III of England acknowledges Llywelyn ap Gruffudd's title of Prince of Wales. |
1271
Age: 23y
| 1271 • Edward I of England and Charles of Anjou arrive in Acre, starting the Ninth Crusade against Baibars; however, they are unable to capture any territory and a peace is quickly negotiated. |