Republics is founded. May 1 – A coordinated series of mass rallies and one-day strikes is held throughout many cities and mining towns, in Europe and North America, to demand an eight-hour workday. May 2 – President Benjamin Harrison signs the Oklahoma Organic Act, under which Oklahoma Territory is organized, a prerequisite for later statehood. May 12 – The first ever official English County Championship cricket match begins in Bristol; Yorkshire beats Gloucestershire, by eight wickets. May 20 – Dutch artist Vincent van Gogh moves to Auvers-sur-Oise on the edge of Paris, in the care of Dr Paul Gachet, where he will produce around seventy paintings in as many days. May 31 – The five-story skylight Arcade opens in Cleveland, Ohio. June 1 – The United States Census Bureau begins using Herman Hollerith's tabulating machine to tabulate census returns using punched card input, a landmark in the history of computing hardware. Hollerith's company eventually becomes IBM. June 12 – In Michigan, the wooden steamer Ryan is lost near Thunder Bay Island. June 16 – Royal Dutch Petroleum, predecessor of Royal Dutch Shell, a major worldwide energy product and sales is founded in the Netherlands. June 20 – The Picture of Dorian Gray (by Oscar Wilde) is published by Philadelphia-based Lippincott's Monthly Magazine (dated July). June 27 – Canadian-born boxer George Dixon defeats the British bantamweight champion in London, giving him claim to be the first black world champion in any sport. July–September July 1 Heligoland–Zanzibar Treaty: Britain cedes the Heligoland islands (in the German Bight) to Germany, in return for protectorates over Wituland and the Sultanate of Zanzibar (the islands of Pemba and Unguja) in east Africa. 1890 Japanese general election: In the first general election for the House of Representatives of Japan, about 5% of the adult male population elect a lower house of the Diet of Japan, in accordance with the new Meiji Constitution of 1889. The Ouija board is first released by Elijah Bond. July 2 – The Sherman Antitrust Act and Sherman Silver Purchase Act become United States law. July 3 – Idaho is admitted as the 43rd U.S. state. July 10 – Wyoming is admitted as the 44th U.S. state. July 13 – In Minnesota, storms result in the Sea Wing disaster on Lake Pepin, killing 98. July 14 – Lime-green is first described as a color. July 26 – In Buenos Aires, the Revolution