The Kidder Fight (or Kidder Massacre), of July 2, 1867 refers to a skirmish near what is now Goodland, Kansas involving a detachment of ten enlisted men and an Indian scout of the United States 2nd Cavalry under the command of Second Lieutenant Lyman S. Kidder who were attacked and wiped out by a mixed Lakota and Cheyenne force. Two Lakota, including chief Yellow Horse were also killed. The fight occurred during the period of the Indian Wars on the western plains and was an incident in the campaign known as Hancock's War.