1247

1247 — China: Qin Jiushao wrote the Mathematical Treatise in Nine Sections / Japan: 宝治合戦

5 events. The text is the source chronology verbatim; the terms are in Sources & licenses. The grey lines above and below are the surrounding 2 years.

KoreaGoryeo 918–1392	ChinaSong dynasty 960–1271	JapanKamakura period 1185–1333	United States
No events recorded for this year 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. 蒙古凉州会盟，吐蕃归附。ZH Qin Jiushao discovers Horner's method and introduces the zero symbol into Chinese mathematics 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 century 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 1246Emperor Go-Fukakusa, accession	covered from 1607

KoreaGoryeo 918–1392

ChinaSong dynasty 960–1271

JapanKamakura period 1185–1333

United States

No events recorded for this year

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.
蒙古凉州会盟，吐蕃归附。ZH
Qin Jiushao discovers Horner's method and introduces the zero symbol into Chinese mathematics
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 century

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

1246Emperor Go-Fukakusa, accession

covered from 1607