The Diexi earthquake shakes Mao County, Sichuan, China and kills 9,000 people. August 30 – German-Jewish philosopher Theodor Lessing is shot in Marienbad (Mariánské Lázně), Czechoslovakia, dying the following day. September September 12 Alejandro Lerroux forms a new government in Spain. Leó Szilárd, waiting for a red light on Southampton Row in Bloomsbury, conceives the idea of the nuclear chain reaction. September 26 – A hurricane destroys the town of Tampico, Mexico. October October 1 – Engelbert Dollfuss, leader of the Fatherland's Front in Austria, is seriously injured in a failed assassination attempt. October 7 – Air France is formed by the merger of five French airline companies, beginning operations with 250 planes. October 10 – 1933 United Airlines Boeing 247 mid-air explosion: A bomb destroys a United Airlines Boeing 247 on a transcontinental flight in mid-air near Chesterton, Indiana, killing all 7 on board, in the first proven case of sabotage in civil aviation, although no suspect is ever identified. October 12 – The United States Army Disciplinary Barracks on Alcatraz is acquired by the United States Department of Justice, which plans to incorporate the island into its Federal Bureau of Prisons as a penitentiary. October 13 – The British Interplanetary Society is founded. October 14 – Germany announces its withdrawal from the League of Nations and the World Disarmament Conference, after the U.S., the U.K. and France deny its request to increase its defense armaments under the Versailles Treaty. October 14–16 – The new constitution of Estonia is approved only on the third consecutive referendum. October 16 – Parricides committed in the United States by Victor Licata lead to calls for the legal prohibition of cannabis. October 17 – Scientist Albert Einstein arrives in the United States, where he settles permanently as a refugee from Nazi Germany, and takes up a position at the Institute for Advanced Study, Princeton, New Jersey. November November 5 – Spanish Basque people vote for autonomy. November 8 – New Deal: U.S. President Franklin D. Roosevelt unveils the Civil Works Administration, an organization designed to create jobs for more than 4 million of the unemployed. November 11 – Dust Bowl: In South Dakota, a very strong dust storm ("the great black blizzard") strips topsoil from desiccated farmlands (one of a series of disastrous dust storms this year). November 12 – Japan Precision Optical Industry, predecessor of the global Canon camera and photocopier brand