- Oct 3 Captain Jack and companions are hanged for their part in the Modoc War.
- Oct 4 Toronto Argonaut Football Club forms
- Oct 4 13th British Golf Open: Tom Kidd shoots a 179 at St Andrews
- Oct 8 First women's prison run by women opens at Indiana Reformatory Institute
- Oct 11 Toronto Argonaut Football Club 1st game losing to U of Toronto
- Oct 18 1st football game between Toronto Argonauts & Hamilton Tigers
- Oct 18 Columbia Princeton Rutgers & Yale set rules for collegiate football
- Oct 20 P T Barnum Hippodrome featuring "Greatest Show on Earth" opens (NYC)
- Oct 30 P T Barnum's circus, "Greatest Show on Earth", debuts (New York City)