Question: what is the movie a league of their own based on a true story?
Answer: A League of Their Own is a 1992 American sports comedy-drama film that tells a fictionalized account of the real-life All-American Girls Professional Baseball League (AAGPBL). Directed by Penny Marshall, the film stars Tom Hanks, Geena Davis, Madonna, Rosie O'Donnell, and Lori Petty.