AI overview
I don't have enough context to provide an accurate overview of "849." The single word "year" doesn't clarify whether this refers to a historical event, person, scientific discovery, or something else that occurred in 849 CE/AD. Could you provide more information about what "849" specifically refers to?
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Article
The Battle of Ostia at the Vatican Museum
Year 849 (DCCCXLIX) was a common year starting on Tuesday of the Julian calendar.