
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1150
1150 • Garcia IV Ramirez ends his reign as King of Navarre. |
1173
Dec 23
Age: 24y
birth of childLouis I Wittelsbach Kelheim, Bavaria ⇓ 1 Source ⇓ |
1173 • On the death of BolesÅ‚aw IV the Curly, High Duke of Poland, he is succeeded by Mieszko III the Old, and as Duke of Sandomierz in Lesser Poland by Casimir II. |
1191
Age: 41y
1191 • The first reference to the windmill in Europe is made by a Dean Herbert of East Anglia, whose mills are supposedly in competition with the abbey of Bury St Edmunds. This is probably an invention imported from interaction with the Muslim world, since the first windmills were most likely innovated from the Bana Musa brothers in the Islamic Middle East during the middle 9th century. The windmill will spread in the other direction, to be introduced to China by as early as 1219. |