- Sep 1 Last Navaho chief Manuelito turns himself in at Fort Wingate
- Sep 4 1st Hawaiian daily newspaper published
Event of Interest
Sep 6 Frederick Douglass is 1st US black delegate to a national convention
Frederick Douglass
Victory in Battle
Sep 22 War of the Triple Alliance: Decisive battle of Curupayty results in a Paraguayan victory and heavy losses for Argentinian and Brazilian forces
Francisco Solano López