Year 580 (DLXXX) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar. The denomination 580 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

This page was last edited on 23 May 2017, at 08:06.
Reference: https://en.wikipedia.org/wiki/580 under CC BY-SA license.

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