Question: What was the name of the iconic speech given by Martin Luther King, Jr. to over 250,000 civil rights supporters from the Lincoln Memorial in August of 1963?
Sentence (from "King Kennedy"): The film stars some of the most prominent characters from 1960s America, including US President John F. Kennedy, Robert F. Kennedy, the civil rights movement leader Martin Luther King, convicted assassins Lee Harvey Oswald and Sirhan Sirhan and the film world's brightest icons of that time Marilyn Monroe and Frank Sinatra.
Relevant evidence: No