On August 28, 1963, Dr. Martin Luther King Jr. delivered his iconic "I Have a Dream" speech during the March on Washington for Jobs and Freedom at the Lincoln Memorial in Washington, D.C. Although not directly related to film or cinema history, the speech was a defining moment in the American Civil Rights Movement and has been featured in numerous documentaries and films.

One notable film that captured the essence of this historic event is the 1970 documentary "King: A Filmed Record... Montgomery to Memphis." The film, which was directed by Sidney Lumet and Joseph L. Mankiewicz, is a compilation of footage from Dr. King's life, including his famous speech at the March on Washington. The documentary was nominated for an Academy Award for Best Documentary Feature in 1971.

The "I Have a Dream" speech has also been referenced and featured in various other films, such as "Selma" (2014), directed by Ava DuVernay, which depicts the 1965 Selma to Montgomery voting rights marches led by Dr. King and other civil rights activists. The speech serves as a powerful reminder of the ongoing struggle for racial equality and social justice in the United States and around the world.

Although the speech itself is not a direct product of film or cinema history, its impact and legacy have been captured, preserved, and shared through the medium of film, ensuring that Dr. King's message continues to inspire and resonate with audiences for generations to come.