Feb 2nd The National Association of Base Ball Clubs is formed in Chicago, IL
Mar 2nd Secretary of War, William Belknap, resigns his position after impeachment proceedings begin due to his selling control of trading posts in Indian Territory
Mar 7th Alexander Graham Bell is granted a patent for a "telephone"
Mar 10th Alexander Graham Bell makes the first successful call saying "Mr. Watson, come here, I want to see you."
May 10th The Centennial Exposition begins in Philadelphia, PA showcasing the telephone, mimeograph & other inventions
May 18th Wyatt Earp begins work in Dodge City, KS in law enforcement
Jun 17th Battle of the Rosebud: 1,500 Sioux & Cheyenne led by Crazy Horse beat back George Crook in Montana Territory
Jun 25th Battle of Little Big Horn: 300 men of the U.S. 7th Cavalry are wiped out by 5,000 Lakota, Cheyenne & Arapahoe led by Sitting Bull & Crazy Horse
June Mark Twain first publishes "The Adventures of Tom Sawyer"
Jul 4th The United states celebrates its centennial
Aug 1st President Grant signs a proclamation admitting Colorado as the 38th state
Aug 2nd Wild Bill Hickok is murdered in a poker game in Deadwood, Dakota Territory (holding aces & 8's)
Aug 8th Thomas Edison receives a patent for his invention of the mimeograph
Sep 7th In Northfield, MN, Jesse James & The James-Younger Gang attempt to rob a bank but are nearly wiped out by the townsfolk who are armed & prepared for them.
Nov 7th The presidential election ends undecided. Rutherford B. Hayes is not given the presidency until 1877
Other
Reconstruction era (1865-1877)
Depression of 1873-1879
Adolphus Busch's brewery, Anheuser Busch, in St. Louis, MO first markets Budweiser
Winchester Company introduces its Centennial Model
Births
Jan 12th Jack London (Author, "Call of the Wild," White Fang")
Deaths
Jun 25th General George Custer (General, Battle of the Little Big Horn)
Aug 2nd Wild Bill Hickok (Gunfighter/Gambler/Lawman)