February 16 – Charles Dow publishes the first edition of the Dow Jones Industrial Average. The index stands at a level of 62.76, and represents the dollar average of 14 stocks: 12 railroads and two leading American industries.[1]
September 2 – The Rock Springs massacre occurs in Rock Springs, Wyoming; 150 white miners attack their Chinese coworkers, killing 28, wounding 15, and forcing several hundred more out of town.
December 1 – The U.S. Patent Office acknowledges this date as the day Dr Pepper is served for the very first time; the exact date of Dr Pepper's invention is unknown.
Michigan Technological University (originally Michigan Mining School) opens its doors for the first time in what is to become the Houghton County Fire Hall.
Camp Dudley, the oldest continually running boys' camp in America, is founded.