of Vailele takes place in Samoa as rebels loyal to King Mata'afa Iosefo force the retreat of American and British troops assisting Samoans loyal to Prince Tanumafili. April 2 – The Hamburg America Line cruise ship SS Graf Waldersee begins its maiden voyage. April 3 – The ship Sakura Maru brings 790 Japanese immigrants to the Peruvian port of Callao as the first persons from Japan to be accepted to live in South America. April 4 – Cuba's General Assembly voted to disband the Cuban army and to dissolve to accept U.S. sovereignty. The German Imperial Navy warship SMS Jaguar, which will be scuttled after losing the 1914 Siege of Tsingtao, begins service. April 5 – A team of five European geologists and 30 African laborers sets out from Northern Rhodesia to explore the minerals of central Africa for the British company Tanganyika Concessions, Ltd. (TCL). Discovering that the most valuable copper deposits are in the Congo Free State, TCL makes an unsuccessful attempt to purchase full rights from King Leopold of Belgium. April 6 – In an elaborate military ceremony, 336 of the 385 American soldiers killed in the Spanish–American War are interred at the Arlington National Cemetery. April 7 – The Shootout at Wilson Ranch, the last major gunfight of the Wild West era in the U.S., takes place in Tombstone, Arizona. Brothers William Halderman and Thomas Halderman, kill two lawmen. They will later be hanged on November 16, 1900. April 8 – The Victors, the famous fight song for University of Michigan sports, is premiered at Ann Arbor, Michigan by John Philip Sousa and his band. A student orchestra had played the music three days earlier for a smaller student audience. April 9 – In Uganda, King Chwa II Kabalega of the Bunyoro kingdom, a leader of the fight against British colonial occupation, is taken prisoner after being shot in a battle near Hoima. Kabalega is exiled to the Seychelles in the South Pacific ocean and remains there until 1923. The Greek ship Maria sinks after a collision with the British steamer Kingswell in the Mediterranean and 45 people drown. The Battle of Santa Cruz begins in the Philippines between U.S. Army troops and nationalists of the First Philippine Republic. After a two day battle, 93 Filipino fighters and one American soldier are dead. April 10 – Seven people are shot and killed in a gun battle