of Spain and Catalonia, the Catalan Republic becomes the Generalitat of Catalonia, a Catalan autonomous government inside the Spanish Republic. April 22 – Austria, the UK, Denmark, Germany, Italy, Sweden and the United States recognize the Spanish Republic. April 25 – The automobile manufacturer Porsche is founded by Ferdinand Porsche in Stuttgart. May May 1 – Construction of the Empire State Building is completed in New York City. May 4 – Kemal Atatürk is re-elected president of Turkey. May 5 – İsmet İnönü forms a new government in Turkey (7th government). May 11 – The Creditanstalt, Austria's largest bank, goes bankrupt, beginning the banking collapse in Central Europe that causes a worldwide financial meltdown. May 13 – Paul Doumer is elected president of France. May 14 – Ådalen shootings: Five people are killed in Ådalen, Sweden, when soldiers open fire on an unarmed trade union demonstration. May 15 The Chinese Communists inflict a sharp defeat on the Kuomintang forces. Pope Pius XI issues the encyclical Quadragesimo anno, on the "reconstruction of the social order". May 31 – The Second Encirclement Campaign against Jiangxi Soviet ends in the defeat of the Kuomintang. June June 5 German Chancellor Dr. Heinrich Brüning visits London, where he warns the British Prime Minister Ramsay MacDonald that the collapse of the Austrian banking system, caused by the bankruptcy of the Creditanstalt, has left the entire German banking system on the verge of collapse. Anti-Chinese rioting occurs in Pyongyang. Approximately 127 Chinese people are killed, 393 wounded, and a considerable number of properties are destroyed by Korean residents. June 14 – Saint-Philibert disaster: The overloaded pleasure craft Saint-Philibert, carrying trippers home to Nantes from the Île de Noirmoutier, sinks at the mouth of the River Loire in France; over 450 drown. June 19 In an attempt to stop the banking crisis in Central Europe from causing a worldwide financial meltdown, U.S. President Herbert Hoover issues the Hoover Moratorium. The Geneva Convention (1929) relative to the treatment of prisoners of war enters into force. June 23–July 1 – Wiley Post and Harold Gatty accomplish the first round-the-world flight in a single-engine plane, flying eastabout from Roosevelt Field, New York, in 8 days, 15 hours, 51 minutes. July July 1 – The rebuilt Milano Centrale railway station officially opens in Italy. July 9 – Irish racing driver Kaye Don breaks the world water speed record at Lake Garda, Italy.