War: American Civil War - American Revolutionary War - Boer Wars - Cold War - Falklands War - Greek War of Independence - Gulf War - Korean War - Kosovo War - New Zealand Wars - Spanish Civil War - Terrorism - Vietnam War - War of the Pacific - Wars of the Roses - Weapons - World War One - World War Two
- 1855-09-03 Indian Wars: In Nebraska, 700 soldiers under American General William S. Harney avenge the Grattan Massacre by attacking a Sioux village, killing 100 men, women, and children.
- 1863-07-30 Indian Wars: Chief Pocatello of the Shoshone tribe signs the Treaty of Box Elder, promising to stop harassing the emigrant trails in southern Idaho and northern Utah.
- 1872-11-29 Indian Wars: The Modoc War begins with the Battle of Lost River.
- 1876-11-25 Indian Wars: In retaliation for the American defeat at the Battle of the Little Bighorn, United States Army troops sack Chief Dull Knife's sleeping Cheyenne village at the headwaters of the Powder River.
- 1877-06-17 Indian Wars: Battle of White Bird Canyon - the Nez Perce defeat the US Cavalry at White Bird Canyon in the Idaho Territory.