The Day That Shook the World (, lit. "The Sarajevo Assassination") is a 1975 Czechoslovak-Yugoslav-German co-production film directed by Veljko Bulajić, starring Christopher Plummer and Florinda Bolkan. The film is about the assassination of Archduke Franz Ferdinand and his wife Sophie in Sarajevo in 1914 and the immediate aftermath that led to the outbreak of World War I.