This is a list of films and miniseries that are based on actual events. Films on this list are generally from American production unless indicated otherwise.
1970
A Baltic Tragedy (Swedish: Baltutlämningen) (1970) – Swedish drama film based on the Swedish extradition of Baltic soldiers that took place between 1945 and 1946 A Bullet for Pretty Boy (1970) – action biographical crime film about Pretty Boy Floyd's escape from prison Airport (1970) – action drama film loosely based on the Continental Airlines Flight 11 suicide bombing The Andersonville Trial (1970) – drama television film based on the actual 1865 trial of Henry Wirz, commander of the infamous Confederate Andersonville prison, where thousands of Union prisoners died of exposure, malnutrition, and disease The Bloody Judge (1970) – biographical horror film loosely based on the story of Judge Jeffries, the Lord Chief Justice of seventeenth-century England, who, in this film, condemned women as witches to further his political and sexual needs Bloody Mama (1970) – crime drama film loosely based on the real story of Ma Barker, who is depicted as a corrupt, mentally-disturbed mother who encourages and organizes the criminality of her four adult sons in Depression-era southern United States Chisum (1970) – Western biographical drama film based on the Lincoln County War of 1878 The Christine Jorgensen Story (1970) – biographical drama film about trans woman Christine Jorgensen The Confession (French: L'aveu) (1970) – French-Italian thriller film based on the true story of the Czechoslovak communist committed leftist Artur London, a defendant in the Slánský trial Corbari (1970) – Italian war drama film based on real life events of Italian partisan Silvio Corbari Cromwell (1970) – British historical drama film based on the life of Oliver Cromwell, who rose to lead the Parliamentary forces during the later parts of the English Civil War and, as Lord Protector, ruled Great Britain and Ireland in the 1650s The Cross and the Switchblade (1970) – biographical crime drama film about David Wilkerson, a Christian evangelist and Nicky Cruz, a teen gang member whose life was transformed by Wilkerson's ministry The Diane Linkletter Story (1970) – biographical drama short film based on the 1969 suicide of TV personality Art Linkletter's daughter, Diane Dirtymouth (1970) – biographical drama film about the life and career of the controversial comedian, Lenny Bruce Emiliano Zapata (1970) – Mexican biographical drama film about Mexican revolutionary Emiliano Zapata George M! (1970) – musical biographical comedy television film based on the life of George M. Cohan, the biggest Broadway star of his day who was known as "The Man Who Owned Broadway" The Great Inimitable Mr. Dickens (1970) – British biographical drama television film about the life of Charles Dickens The Honeymoon Killers (1970) – crime drama film inspired by the true story of Raymond Fernandez and Martha Beck, the notorious "lonely hearts killers" of the 1940s Julius Caesar (1970) – historical war drama film about Julius Caesar, based on the play of the same name by William Shakespeare The Loves of Liszt (Hungarian: Szerelmi álmok – Liszt) (1970) – Soviet era Hungarian epic drama film based on the biography of the Hungarian composer and pianist Franz Liszt Ned Kelly (1970) – British-Australian biographical bushranger film about 19th-century Australian bushranger Ned Kelly Patton (1970) – epic biographical war film about U.S. General George S. Patton during World War II Promise at Dawn (1970) – biographical drama film following author Romain Gary as he recalls his growing up with his Lithuanian-born mother Shangani Patrol (1970) – Rhodesian war drama film portraying the true story of a battalion of volunteer soldiers facing the might of King Lobengula's army in Rhodesia in 1893 Soldier Blue (1970) – war drama revisionist Western film inspired by events of the 1864 Sand Creek massacre in the Colorado Territory Song of Norway (1970) – biographical drama film depicting the early struggles of composer Edvard Grieg and his attempts to develop an authentic Norwegian national music Tchaikovsky (Russian: Чайковский) (1970) – Soviet biographical drama film about the famous Russian composer Pyotr Ilyich Tchaikovsky Tora! Tora! Tora! (Japanese: トラ・トラ・トラ！) (1970) – American-Japanese epic war film dramatizing the Japanese attack on Pearl Harbor in 1941 Tropic of Cancer (1970) – biographical drama film depicting the adventures of expatriate American writer Henry Miller and his friends, as they pursue art, money, food, and sex in Paris Waterloo (Russian: Ватерлоо) (1970) – Soviet-Italian epic historical war film about the Battle of Waterloo Weddings of Mr.