1092
| 1092 • The Song Dynasty Chinese scientist and statesman Su Song publishes his Xin Yi Xiang Fa Yao, a treatise outlining the construction and operation of his complex astronomical clocktower built in Kaifeng, China. It also includes a celestial atlas of five star maps. |
1143
Nov 10
Age: 51y
| 1143 • Baldwin III is crowned King of Jerusalem, succeeding his father Fulk. |