King Francis I Francesco Maria Piave and Giuseppe Verdi, Simon Boccanegra (1857) – opera based on García Gutiérrez's play Antonio Somma and Giuseppe Verdi, Un ballo in maschera (1859) – opera about Swedish King Gustav III Michel Carré and Ambroise Thomas, Hamlet (1868) – opera based on Shakespeare's tragedy Henrik Ibsen, Emperor and Galilean (1873) – play about Roman Emperor Julian the Apostate Richard Wagner, Götterdämmerung (1876) – opera about the hero Siegfried Alfred Lord Tennyson, Becket (188?) – play about Thomas Becket Modest Mussorgsky, Khovanshchina (1880) – opera about Ivan Khovansky Oscar Wilde, Salomé (1891) – tragedy about John the Baptist and Salome Abraham Goldfaden, Judith and Holofernes (1892) August Strindberg, Gustaf III (1902) – play about Swedish King Gustav III Richard Strauss, Salome (1905) – opera based on Wilde's tragedy Eugene O'Neill, The Emperor Jones (1920) – play about a Caribbean dictator Bertolt Brecht, The Life of Edward II of England (1924) – play about English King Edward II Kathleen de Jaffa and Louis Gruenberg, The Emperor Jones (1933) – opera based on O'Neill's play Oscar Ryan et al., Eight Men Speak (1933) – play about Tim Buck Albert Camus, The Just Assassins (1949) – play about Russian Grand Duke Sergei T.S. Eliot, Murder in the Cathedral (1935) – play about Thomas Becket Ildebrando Pizzetti, Assassinio nella cattedrale (1958) – opera about Thomas Becket Jean Anouilh, Becket or The Honour of God (1959) – play about Thomas Becket Peter Weiss, Marat/Sade (1963) – musical play about Jean-Paul Marat Peter Shaffer, The Royal Hunt of the Sun (1964) – play about Atahualpa Felix Lützkendorf, Dallas, 22. November (1965) – play about John F. Kennedy and Lee Harvey Oswald Manuel Mujica Laínez and Alberto Ginastera, Bomarzo (1967) – opera based on Mujica Laínez's novel James Prideaux, The Last of Mrs. Lincoln (1972) – play about Abraham Lincoln Carlisle Floyd, Willie Stark (1981) – opera based on Robert Penn Warren's novel All the King's Men, in turn inspired by the life of the Louisiana governor Huey Long. Rolf Hochhuth, Soldiers (1967) – play about Władysław Sikorski Eric Schlosser, Americans (1985) – play about William McKinley and Leon Czolgosz John Weidman and Stephen Sondheim, Assassins (1990) – musical Alice Goodman and John Adams, The Death of Klinghoffer (1991) – opera about Leon Klinghoffer Michael Kunze and Sylvester Levay, Elisabeth (1992) – musical about "Sissi", Queen Empress of Austro-Hungary David Ives, Variations on