Editing 577 (section)

{{short description|Calendar year}}
{{Use mdy dates|date=February 2011}}
{{About year|577|the number|577 (number)}}
{{Year nav|577}}
{{M1 year in topic}}
[[File:Zhou Wu Tang.jpg|upright=1.35|thumb|Emperor [[Emperor Wu of Northern Zhou|Wu Di]] of [[Northern Zhou]] (543–578)]]
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Year '''577''' ('''[[Roman numerals|DLXXVII]]''') was a [[common year starting on Friday]] of the [[Julian calendar]]. The denomination 577 for this year has been used since early medieval times, when the [[Anno Domini]] [[calendar era]] became the prevalent method in Europe for naming years.