O Dia que Durou 21 Anos ("The Day That Lasted 21 Years") is a Brazilian documentary film directed by Camilo Tavares that shows the influence of the U.S. government in the 1964 Brazilian coup d'état. Original White House tapes with John F. Kennedy and Lyndon Johnson as well as CIA Top Secret documents reveal how the US government planned to overthrow Brazilian elected president João Goulart. The film has won three awards in international festivals cinemas, two of these in the United States and one in France.