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1247年

1247年 — 中国: Qin Jiushao wrote the Mathematical Treatise in Nine Sections / 日本: 宝治合戦

事件5条。正文照录原始年表原文，来源见来源与许可。上下灰色行是前后2年的脉络。

韩国高麗 918–1392中国宋朝 960–1271日本鎌倉時代 1185–1333美国
  • 本年无收录事件
  • 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。
  • 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
  • 宝治合戦JA
  • 1246後深草天皇 即位

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