frees his personal slaves in Greeneville, Tennessee despite them being exempt from the Emancipation Proclamation, now commemorated as Emancipation Day in the state. 1870 – The Republic of Ploiești, a failed Radical-Liberal rising against Domnitor Carol of Romania. 1876 – Thomas Edison receives a patent for his mimeograph. 1901–present 1903 – Black Saturday occurs, killing 12 in a stadium collapse in Philadelphia. 1908 – Wilbur Wright makes his first flight at a racecourse at Le Mans, France. It is the Wright Brothers' first public flight. 1918 – World War I: The Battle of Amiens begins a string of almost continuous Allied victories with a push through the German front lines (Hundred Days Offensive). 1919 – The Anglo-Afghan Treaty of 1919 is signed. It establishes peaceful relations between Afghanistan and the UK, and confirms the Durand line as the mutual border. In return, the UK is no longer obligated to subsidize the Afghan government. 1929 – The German airship Graf Zeppelin begins a round-the-world flight. 1940 – The "Aufbau Ost" directive is signed by Wilhelm Keitel. 1942 – Quit India Movement is launched in India against the British rule in response to Mohandas Gandhi's call for swaraj or complete independence. 1945 – The London Charter is signed by France, the United Kingdom, the Soviet Union and the United States, establishing the laws and procedures for the Nuremberg trials. 1946 – First flight of the Convair B-36, the world's first mass-produced nuclear weapon delivery vehicle, the heaviest mass-produced piston-engined aircraft, with the longest wingspan of any military aircraft, and the first bomber with intercontinental range. 1963 – Great Train Robbery: In England, a gang of 15 train robbers steal £2.6 million in bank notes. 1963 – The Zimbabwe African National Union (ZANU), the current ruling party of Zimbabwe, is formed by a split from the Zimbabwe African People's Union. 1967 – The Association of Southeast Asian Nations (ASEAN) is founded by Indonesia, Malaysia, the Philippines, Singapore and Thailand. 1969 – At a zebra crossing in London, photographer Iain Macmillan takes the iconic photo that becomes the cover image of the Beatles' album Abbey Road. 1973 – Kim Dae-jung, a South Korean politician and later president of South Korea, is kidnapped. 1974 – President Richard Nixon, in a nationwide television address, announces his resignation from the office of the President of the United States effective noon the next day. 1988 – The 8888