June 11 » Paris–Bordeaux–Paris, sometimes called the first automobile race in history or the "first motor race", takes place.
September 3 » John Brallier becomes the first openly professional American football player, when he was paid US$10 by David Berry, to play for the Latrobe Athletic Association in a 12-0 win over the Jeanette Athletic Association.
September 18 » The Atlanta Exposition Speech on race relations is delivered by Booker T. Washington.
October 4 » Horace Rawlins wins the first U.S. Open Men's Golf Championship.
November 28 » The first American automobile race takes place over the 54 miles from Chicago's Jackson Park to Evanston, Illinois. Frank Duryea wins in approximately 10 hours.
October 10, 1915
The temperature on October 10, 1915 was between 7.8 °C and 13.7 °C and averaged 10.1 °C. There was 0.8 hours of sunshine (7%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
February 12 » In Washington, D.C., the first stone of the Lincoln Memorial is put into place.
May 6 » Babe Ruth, then a pitcher for the Boston Red Sox, hits his first major league home run.
May 24 » World War I: Italy declares war on Austria-Hungary, joining the conflict on the side of the Allies.
June 9 » William Jennings Bryan resigns as Woodrow Wilson's Secretary of State over a disagreement regarding the United States' handling of the sinking of the RMSLusitania.
August 6 » World War I: Battle of Sari Bair: The Allies mount a diversionary attack timed to coincide with a major Allied landing of reinforcements at Suvla Bay.
December 20 » World War I: The last Australian troops are evacuated from Gallipoli.