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Deaths on January 5

1173Jan, 5

Bolesław IV the Curly

Bolesław IV the Curly, High Duke of Poland (b. 1120)
Bolesław IV the Curly (Polish: Bolesław Kędzierzawy; c. 1122 – 5 January 1173), a member of the Piast dynasty, was Duke of Masovia from 1138 and High Duke of Poland from 1146 until his death.

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Events on 1173

  • 9Aug

    Cathedral of Pisa

    Construction of the campanile of the Cathedral of Pisa (now known as the Leaning Tower of Pisa) begins; it will take two centuries to complete.