Four Days in September is a 1997 Brazilian thriller film directed by Bruno Barreto and produced by his parents Lucy and Luiz Carlos Barreto. It is a dramatized version of the 1969 kidnapping of the United States Ambassador to Brazil, Charles Burke Elbrick, by members of Revolutionary Movement 8th October (MR-8) and Ação Libertadora Nacional (ALN).

Charles Burke Elbrick was a United States diplomat and career foreign service officer. During his career, he served three ambassadorships: in Portugal, Yugoslavia and Brazil, in addition to numerous minor postings.