The Number 1120: Properties and MeaningsPrime Factors of 1120=2x2x2x2x2x5x7.
The Year 1120 ADIn the year 1120 AD Adelard of Bath translated works of Euclid and Al-Khworizmi into Latin and introduced them to European scholars.
In the year 1120 AD the Knights Templars were founded.(?)
In the year 1120 AD construction of an observatory in Cairo was begun. This was possibly the first observatory built in Medieval Islam.
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