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1150
| 1150 • Middle Dutch begins to be spoken in the Low Countries. |
1235
Age: 85y
| 1235 • The Byzantine emperor John III Doukas Vatatzes and the Bulgarian tsar Ivan Asen II besiege Constantinople in an attempt to take it from its Latin rulers, John of Brienne and Baldwin II. Angelo Sanudo successfully negotiates a 2-year truce. |