Trivia: Some weapons used by 300 are actually weapons from previous war epics like "Alexander" and "Troy." They were used in this film to cut costs.
Trivia: This film was filmed back-to-back with Flags of Our Fathers, a movie from the American perspective of the battle of Iwo Jima.
Trivia: This movie was filmed back-to-back with Letters from Iwo Jima, a fictional account of the battle of Iwo Jima that looks at it from the Japanese soldier's perspective.
Trivia: The movie is based on a true story. Dieter Dengler was born in Germany just before WWII, and eventually left for the US. He told this story in the book "Little Dieter Needs to Fly" and a 1997 film (Werner Herzog) with the same same.