1088★★★★★
Shen Kuo describes the magnetic compass
In his Dream Pool Essays, Shen Kuo describes the magnetic needle compass and magnetic declination.
ScienceTechnology· China
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Events this year
c. 1088★★★★★
University of Bologna founded
Traditionally founded in 1088, the University of Bologna is regarded as the oldest university in continuous operation.
CultureScience· Italy
Ongoing
c. 3rd century – c. 11th century★★★★★
The Ghana Empire in West Africa
The Soninke Ghana Empire (Wagadu) flourished in what is now Mauritania and Mali, growing rich from control of the trans-Saharan gold and salt trade.
DynastyEconomy· Mauritania, Mali