April–June April 15 Drillers near Bartlesville, Oklahoma strike oil for the first time, in the designated "Indian Territory", on land leased from the Osage Indians. The gusher, at the Nellie Johnstone Number One well, leads to rapid population growth. Yamaichi Securities founded in Japan; it will cease trading a hundred years later. April 19 – The first Boston Marathon is held in the United States, with fifteen men competing, and won by John McDermott. April 23 – Representatives of the Chickasaw Nation, Choctaw Nation and U.S. Dawes Commission sign the Atoka Agreement, which becomes an important precursor for creating the State of Oklahoma. April 27–6 May – Greco-Turkish War of 1897: Battle of Velestino. April 30 – J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London. May 6 – John Jacob Abel announces the successful isolation of epinephrine (adrenaline), in a paper read before the Association of American Physicians."On the Blood-Pressure-Raising Constituent of the Suprarenal Capsule", by John J. Abel, M.D., and Albert C. Crawford, M.D., in Bulletin of the Johns Hopkins Hospital (July, 1897) p151 May 10 – 19 zinc miners die of carbon monoxide poisoning at Snaefell Mine on the Isle of Man. May 11 – A patent is awarded for the invention of the first automotive muffler, with the granting by the U.S. Patent Office of application number 582,485 to Milton Reeves and his brother Marshall T. Reeves, of the Reeves Pulley Company of Columbus, Indiana."Exhaust Muffler for Engines"; QRZ News, September 2014 May 14 The Stars and Stripes Forever, an American patriotic march by John Philip Sousa, is performed for the first time. (or May 15) – The Scientific-Humanitarian Committee (Wissenschaftlich-humanitäres Komitee, WhK) is founded in Berlin as an LGBT campaigning organization, the first such in history. May 19 – Oscar Wilde is released from prison in England, and goes into voluntary exile on the continent. May 22 – The Blackwall Tunnel, at this time the longest underwater road tunnel in the world, is opened for traffic beneath the River Thames in the East End of London by the Prince of Wales. May 26 – Irish-born theatrical manager Bram Stoker's contemporary Gothic horror novel Dracula is first published (in London); it will influence the direction of vampire literature for the following century. May 31 – On Decoration Day (later Memorial Day) the Robert Gould Shaw Memorial is dedicated in Boston. The bronze bas relief by Augustus St. Gaudens depicts the 54th Massachusetts Infantry Regiment of black Civil War soldiers. June 12 – 1897 Assam earthquake: An earthquake of magnitude of 8.0 rocks Assam, India, killing over 1,500 people. June 18 – Kyoto University is officially established in Japan.:ja:京都大学#年表#明治 (Japanese language) Retrieved 2017-05-17. June 22 – The Diamond Jubilee of Queen Victoria is celebrated in the United Kingdom. No other British monarch will celebrate such a jubilee until Elizabeth II in 2012.
April–June April 15 Drillers near Bartlesville Oklahoma strike oil for the first time in the designated "Indian Territory" on land leased from the Osage Indians The gusher at the Nellie Johnstone Number One well leads to rapid population growth Yamaichi Securities founded in Japan; it will cease trading a hundred years later April 19 – The first Boston Marathon is held in the United States with fifteen men competing and won by John McDermott April 23 – Representatives of the Chickasaw Nation Choctaw Nation and US Dawes Commission sign the Atoka Agreement which becomes an important precursor for creating the State of Oklahoma April 27–6 May – Greco-Turkish War of 1897 Battle of Velestino April 30 – J J Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle over 1800 times smaller than a proton (in the atomic nucleus) at a lecture at the Royal Institution in London May 6 – John Jacob Abel announces the successful isolation of epinephrine (adrenaline) in a paper read before the Association of American Physicians"On the Blood-Pressure-Raising Constituent of the Suprarenal Capsule" by John J Abel MD and Albert C Crawford MD in Bulletin of the Johns Hopkins Hospital (July 1897) p151 May 10 – 19 zinc miners die of carbon monoxide poisoning at Snaefell Mine on the Isle of Man May 11 – A patent is awarded for the invention of the first automotive muffler with the granting by the US Patent Office of application number 582485 to Milton Reeves and his brother Marshall T Reeves of the Reeves Pulley Company of Columbus Indiana"Exhaust Muffler for Engines"; QRZ News September 2014 May 14 The Stars and Stripes Forever an American patriotic march by John Philip Sousa is performed for the first time (or May 15) – The Scientific-Humanitarian Committee (Wissenschaftlich-humanitäres Komitee WhK) is founded in Berlin as an LGBT campaigning organization the first such in history May 19 – Oscar Wilde is released from prison in England and goes into voluntary exile on the continent May 22 – The Blackwall Tunnel at this time the longest underwater road tunnel in the world is opened for traffic beneath the River Thames in the East End of London by the Prince of Wales May 26 – Irish-born theatrical manager Bram Stoker's contemporary Gothic horror novel Dracula is first published (in London); it will influence the direction of vampire literature for the following century May 31 – On Decoration Day (later Memorial Day) the Robert Gould Shaw Memorial is dedicated in Boston The bronze bas relief by Augustus St Gaudens depicts the 54th Massachusetts Infantry Regiment of black Civil War soldiers June 12 – 1897 Assam earthquake An earthquake of magnitude of 80 rocks Assam India killing over 1500 people June 18 – Kyoto University is officially established in Japanja京都大学#年表#明治 (Japanese language) Retrieved 2017-05-17 June 22 – The Diamond Jubilee of Queen Victoria is celebrated in the United Kingdom No other British monarch will celebrate such a jubilee until Elizabeth II in 2012