AI overview
I can't write an accurate overview of "871" based only on "year" as context, since this could refer to many different things (a specific historical year, a law or rule number, a location code, etc.). To provide accurate, neutral information, I would need more specific context about what "871" refers to.
AI-generated from the Wikipedia summary — may contain errors.
Article
Emperor Louis II of Italy captures Bari (871)
Year 871 (DCCCLXXI) was a common year starting on Monday of the Julian calendar.