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905
| 905 • Sancho I succeeds Fortun I as King of Pamplona and creates a Basque kingdom centered in Navarre. |
976
Age: 71y
| 976 • Zhang Sixun, a Chinese astronomer and engineer, employs the use of liquid mercury in order for the escapement mechanism of his astronomical clock to function and for metal parts not to rust by using hydraulics (water) or to freeze in winter. |