+**859** was a [year](/wiki/Year) of the Julian calendar in the 9th century, a period shaped by evolving [empires](/wiki/Empire) and cultural shifts. It is also a unique [prime number](/wiki/Prime_Number), divisible only by one and itself.
+## See also
+- [860](/wiki/860)
+- [858](/wiki/858)
+- [Number](/wiki/Number)
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