"Rocky" (1976)
All About Eve (1950) is the only film starring Marilyn Monroe that also won the Oscar for Best Picture.
Gone with the Wind. However, while this film was released in 1939, it won the 1940 Oscar for Best Picture.
Yes, I believe it was written by Claude Magnier and adapted several times for film. The latest one starring Sylvester Stallone.
actresses
Angelo "Snaps" Provolone
All the King's Men won the Oscar for Best Picture in 1949.
Oliver! won the Oscar for Best Picture in 1968.
Stallone received a nomination in 1976 for Rocky, but he has never won an Oscar for Best Actor.
Rocky was nominated for Best Actor and Best Screenplay - Stallone wrote and (obviously) starred in it, but he won neither, but the film did win Best Picture, Best Directing and Best Film Editing
On the Waterfront won the Oscar for Best Picture in 1954.
The Sting won the Oscar for Best Picture in 1973.
No, you can win an Oscar for directing a short film, but you can't win an Oscar for starring in a short film.