1088
Technology
China
Mechanical escapement clock
Su Song's water-powered astronomical clock tower keeps regular time.
Why it mattered
Time measured by a machine rather than by the sky.
Middle Ages
1088
2 recorded milestones at this point in the record.
1088
Society
Italy
University of Bologna
Students hired their own professors to teach law, forming a self-governing corporation.
Why it mattered
The prototype of the European university.
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Nearby in the record
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