AI overview
I don't have sufficient context provided to write an accurate overview of "50s BC." The context given only says "decade," which tells me that 50s BC refers to a time period, but doesn't contain specific historical information about what happened during that period or why it matters. I cannot write the overview as requested without inventing facts.
AI-generated from the Wikipedia summary — may contain errors.
Article
Map of the world in 50 BC.
The 50s BC were the period 59 BC – 50 BC.