Question: Baidu Baike is an encyclopedia that has more articles than the page run by the Wikimedia Foundation, which started on which date?
Sentence (from "Wikimedia Polska"): Wikimedia Polska (WMPL; Polish: "Stowarzyszenie Wikimedia Polska" ) is a Polish public benefit organization established to support volunteers in Poland who work on Wikimedia projects such as Wikipedia.
Relevant evidence: No