men of the Egan's Rats gang rob a mail train in Rondout, Illinois; the robbery is later found to have been an inside job. June 13 – In Hungary, a devastating tornado, "Wildkansas", strikes, in 3 hours leaving a 500-1500m wide and 70 km long path of destruction from landfall at Bia to its end near Vác, completely destroying the village of Páty. 9 people are killed, 50 injured and many left homeless by one of the strongest tornadoes ever not only in Hungary but in Europe, estimated as F4. June 16 – Whampoa Military Academy is founded in China. June 23 – American airman Russell Maughan flies from New York to San Francisco in 21 hours and 48 minutes on a dawn-to-dusk flight in a Curtiss pursuit June 30 – J. B. M. Hertzog becomes the third Prime Minister of South Africa. July July 9 – John W. Davis of West Virginia is nominated by the Democrats to oppose Calvin Coolidge in the presidential election. July 10 – Paavo Nurmi wins the 1,500 and 5,000 m runs within two hours at the Paris Olympics. July 12 – United States occupation of the Dominican Republic (1916–24) comes to an end. The constitutional government headed by General Horacio Vázquez, elected in the elections held in March, is established. July 19 – Napalpí massacre: Around 400 indigenous people of Toba ethnicity are massacred in Argentina. August August 16 – The Dawes Plan is signed in Paris, temporarily resolving German reparations dispute. August 28 – August Uprising: Georgia rises against rule by the Soviet Union in an abortive rebellion, in which several thousands die. September September 9 The Hanapepe massacre occurs on Kauai, Hawaii. The 8-hour work day is introduced in Belgium. September 9–11 – The Kohat riots break out in India. September 28 – U.S. Army pilots John Harding and Erik Nelson complete the first aerial circumnavigation of the globe. It has taken them 175 days and 74 stops before their return to Seattle. October October – The skull of the Taung Child is discovered. October 2 – The Geneva Protocol is adopted by the League of Nations Assembly as a means to strengthen the League, but later fails to be ratified. October 6 – 1-RO begins regular radio broadcasting services in Italy. October 10 Voting in federal elections becomes compulsory in Australia, after a private member's bill proposed by Tasmanian Nationalist