Question: When is the founder of magazine Revue Indépendante 's birthday?
Sentence (from "Revue indépendante"): The journal was founded in 1841 by George Sand, Pierre Leroux, and Louis Viardot, and is notable for having published such novels as "Les Lauriers sont coupés" by Édouard Dujardin, "En rade" by Joris-Karl Huysmans, and "Consuelo" by George Sand.
Relevant evidence: Yes