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about
1088
| 1088 • The Chinese polymath statesman and scientist Su Song has the successful pilot model for his astronomical clock tower constructed in Kaifeng, China. It features an escapement mechanism and the world's oldest known endless power-transmitting chain drive to operate the armillary sphere, opening doors, and mechanical-driven mannequins that would rotate in shifts to announce the time on plaques. |
about
Age: 15y
1103
Age: 15y
birth of childHeilika of Pettendorf 1 Source ⇓ |
| 1103 • The great flood of Goa leaves thousands cut off from the war-torn city of Ohpen Bheta. |
after
Age: 22y
1110
Age: 22y
| 1110 • The Russian Primary Chronicle ends. |