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1392
| 1392 • Penistone Grammar School, later to be one of the first community comprehensive schools in England, is founded near Barnsley, England. |
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Age: 20y
1412
Age: 20y
birth of childAntoine De Lannoy Cannes, Valenciennes, France ⇓ 1 Source ⇓ |
| 1412 • Years after its publication in the 14th century, the Ming Dynasty Chinese artillery officer Jiao Yu adds the preface to his classic book on gunpowder warfare, the Huolongjing. |
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Age: 65y
1457
Age: 65y
| 1457 • Ştefan cel Mare secures the throne of Moldavia, which he retains for the next 47 years. |