Francisco via the First transcontinental railroad, 83 hours and 39 minutes after having left New York City. June 17 – American Indian Wars: Battle of the Rosebud – 1,500 Sioux and Cheyenne, led by Crazy Horse, beat back General George Crook's forces at Rosebud Creek in Montana Territory. June 19 – Jászkunság, the last remnant of Kunság within Austria-Hungary, is disestablished. June 25/26 – American Indian Wars: Battle of the Little Bighorn – 300 men of the U.S. 7th Cavalry Regiment under Lieutenant Colonel George Armstrong Custer are wiped out by 5,000 Lakota, Cheyenne and Arapaho, led by Sitting Bull and Crazy Horse. July – September July 1 – Serbia declares war on the Ottoman Empire. July 2 – Montenegro declares war on the Ottoman Empire. July 4 – The United States Centennial Exposition is celebrated across the country. July 8 – Reichstadt Agreement: Russia and Austria-Hungary agree on partitioning the Balkan Peninsula. July 13 – The prosecution of Arthur Tooth, an Anglican clergyman, for using ritualist practices begins. August 1 Colorado is admitted as the 38th U.S. state. The United States Senate votes to acquit former Secretary of War William W. Belknap of all impeached charges relating to the trader post scandal. August 2 – Wild Bill Hickok is murdered in Deadwood, South Dakota. August 6 – The first issue of Arabic language newspaper Al-Ahram is published by Saleem and Beshara Takla in Alexandria, Muhammad Ali dynasty (modern-day Egypt). August 8 – Thomas Edison receives a patent for his mimeograph. August 13 – The Bayreuth Festival, showcasing the stage works of Richard Wagner, is inaugurated under the direction of him and his wife Cosima. August 31 – Murad V, Sultan of the Ottoman Empire, is deposed and succeeded by his brother Abdul Hamid II. September 5 – British Prime Minister William Gladstone publishes his Bulgarian Horrors pamphlet. September 7 – In Northfield, Minnesota, Jesse James and the James–Younger Gang attempt to rob the town's bank, but are surrounded by an angry mob and nearly wiped out. September 12 – King Leopold II of Belgium hosts the Brussels Geographic Conference, on the subject of colonizing and exploring central Africa. By the event's conclusion, a new international body named the International African Association (indirect forerunner of the modern Congo state) is established. September 26 – Global consumer goods and personal care company Henkel is founded by Friedrich Karl Henkel in Düsseldorf,