Ireland: Lord Frederick Cavendish, the newly appointed Chief Secretary for Ireland, and Thomas Henry Burke, his Permanent Undersecretary, are fatally stabbed in Phoenix Park, Dublin, by members of the Irish National Invincibles (militant Irish republicans). May 8 – The Chinese Exclusion Act is the first important law which restricts immigration into the United States. May 20 – The Triple Alliance is formed between Germany, Austria-Hungary and Italy. June Ferdinand von Lindemann publishes his proof of the transcendentality of pi. St Andrew's Ambulance Association is founded in Glasgow, Scotland; St. John Ambulance Canada is also founded this year. June 6 Supposedly, the Bombay Cyclone of 1882 in the Arabian Sea causes flooding in Bombay harbor, leaving about 100,000 dead; this alleged event has, however, been proved a hoax. Battle of Embabo: The Shewan forces of Menelik II defeat the Gojjame army. June 11 – The 'Urabi revolt breaks out in Egypt against Khedive Tewfik Pasha and European influence in that country. June 28 – The Anglo-French Convention of 1882 is signed, marking territorial boundaries between Guinea and Sierra Leone. June 30 – U.S. presidential assassin Charles J. Guiteau is hanged in Washington, D.C. July–September July 11–13 – Anglo-Egyptian War: The British Mediterranean Fleet carries out the Bombardment of Alexandria, its forces capturing the city of Alexandria, Egypt, and securing the Suez Canal. July 23 – The Imo Incident occurs in Seoul, Korea, as a result of bad rations and payment towards soldiers of the Joseon Army. July 26 Boers establish the republic of Stellaland in southern Africa. Richard Wagner's opera Parsifal debuts, at the Bayreuth Festspielhaus in Bavaria. July 31 – The Hebrew Moshava of Rishon LeZion is founded. August 3 – The U.S. Congress passes the 1882 Immigration Act. August 5 – Standard Oil of New Jersey, the company later known as ExxonMobil, is established. August 18 – The Married Women's Property Act 1882 receives royal assent in Britain; it enables women to buy, own and sell property, and to keep their own earnings. August 20 – Pyotr Ilyich Tchaikovsky's 1812 Overture debuts in Moscow. September 4 – Thomas Edison flips the switch to the first commercial electrical power plant in the United States, lighting one square mile of lower Manhattan. This is considered by many as the day that begins the electrical age. September 5 The first United States Labor Day parade is held in New York City. Tottenham