- Aug 7 The opening of the Poor Man's Palace in Manchester.
- Aug 12 1st National Archery Association tournament (Chicago)
- Aug 17 Ferdinand de Lesseps forms French Panama Canal Company
- Aug 20 Government Kappeijne of Coppello resigns
- Aug 21 The Virgin Mary, along with St. Joseph and St. John the Evangelist, reportedly appears to the people of Knock, County Mayo, Ireland.
- Aug 23 Governor-general Charles Gordon of Sudan returns to Cairo