President:
Pres: Andrew Johnson
Pres: Ulysses S. Grant elected over Horatio Seymour
General
- Business: Congress establishes 8 hour workday for laborers and mechanics employed by the government
- Culture: First Memorial Day
- Entertainment: Buffalo Bill Cody 22 works with Wild Bill Hickock who plays up his stories and dresses in buckskin – Cody follows
- Law: Passage of 14th amendment specifies rights of citizenship
- Natives: Cheyenne War ends - Indian Wars with Custer killing 103
US and Sioux sign Fort Laramie peace treaty
- Politics: President Johnson impeached for violating Tenure of Office Act and acquitted
Johnson pardons rebels
- Transportation: Work on Transcontinental Railroad continues
East
- New York: Matthew Vassar who founded Vassar College dies in mid-speech of farewell address
Midwest
- Illinois: Meat-packing factory of PD Armour opens in Chicago
- Ohio: First professional US Baseball Club – Cincinnati Red Stockings founded – introduce uniforms
South
- Louisiana: First Mardi Gras with floats held
Louisiana passes its new constitution – most liberal to minorities
West and Pacific
- California: Quake estimated at 6.8 - Mt. Tamalpais displaced 5.4 feet
- Hawaii: Quake and Tsunami kills 77 estimated at 7.9
Mauna Loa erupts
- Utah: Great Salt Lake City renamed Salt Lake City
Calamity Jane leaves Salt Lake City after father dies previous year
- Wyoming: Territory created