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1245
| 1245 • First Council of Lyon: Holy Roman Emperor Frederick II is excommunicated and deposed, and the Seventh Crusade is proclaimed. |
about
Age: 30y
1275
Age: 30y
birth of childLlewelyn ap Owen 1 Source ⇓ |
| 1275 • The verge escapement, a simple type of escapement used in clocks, is invented (exact year unknown). |
1275
Aug 15
Age: 30y
| 1275 • Around Ciney, in present day Wallonia, start of the war of the cow (end in 1278). |