15th » Henry Ossian Flipper becomes the first African American cadet to graduate from the United States Military Academy.
17th » American Indian Wars: Battle of White Bird Canyon the Nez Perce people called Nez Perce defeat the Cavalry (United States) e.g U.S. Cavalry at White Bird Canyon in the Idaho Territory.
21st » The Molly Maguires, ten Irish immigrants convicted of murder, are hanged at the Schuylkill County and Carbon County, Pennsylvania prisons.