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1150
| 1150 • Middle Dutch begins to be spoken in the Low Countries. |
1173
Dec 23
Age: 24y
birth of childLouis I Wittelsbach Kelheim, Bavaria ⇓ 1 Source ⇓ |
| 1173 • The construction of a campanile which will become the Leaning Tower of Pisa begins. |
1191
Age: 41y
| 1191 • Pope Celestine III succeeds Pope Clement III as the 175th pope. |