The movie depicts the Yankees winning the 1923 World Series on a game six, bottom-of-the-ninth, walk-off home run by Babe Ruth. In fact, Ruth hit his home run in the top of the first inning of a 6-4 Yankees win.
The movie depicts Babe hitting the first home run at Yankee Stadium against the Tigers. However, the Stadium Opening game, in which Babe hit the Stadium's Home Run, was against the Red Sox.