+901 is the [natural number](/wiki/Natural_Number) that follows 900 and precedes 902. It also designates the [year 901 AD](/wiki/Year_901_AD) in the Common Era, a time of evolving [global events](/wiki/Global_Events).
+## See also
+- [Number Theory](/wiki/Number_Theory)
+- [Middle Ages](/wiki/Middle_Ages)
+- [History](/wiki/History)
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