1247年
1247年 — 中国: Qin Jiushao wrote the Mathematical Treatise in Nine Sections / 日本: 宝治合戦
出来事5件。本文は原典の年表の原文のままで、出典は出典とライセンスにある。上下の灰色の行は前後2年の文脈だ。
| 韓国高麗 918–1392 | 中国宋 (王朝) 960–1271 | 日本鎌倉時代 1185–1333 | アメリカ |
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- 1246도적이 내탕(內帑)의 옥대(玉帶), 보기(寶器)를 훔쳐감
- 1246단오에 그네놀이를 금지함.
| - Qin Jiushao wrote the Mathematical Treatise in Nine Sections.EN
- 蒙古凉州会盟，吐蕃归附。ZH
- Qin Jiushao discovers Horner's method and introduces the zero symbol into Chinese mathematicsEN
- Issues of huizi to subsidize rising expenditures and declining revenues reach a value of 650,000,000 strings of cash, an increase by a factor of 25 over half a centuryEN
- 1245Rockets are used during a military exercise conducted by the Song navy.
- 1245Mongols occupy Shou Prefecture
- 1245蒙古軍越過淮河以南入侵宋。
- 1246Mongols raid Huainan
| | 1607年〜収録 |