Event of Interest
Oct 1 Oil field accident costs aviator Wiley Post his left eye, uses the settlement money to buy his 1st aircraft

Wiley Post
- Oct 2 Bert Gibb kicks 9 singles as Hamilton Tigers beat Montreal AAA Winged Wheelers 12-10 in Montreal in Canadian Inter-provincial Rugby Football Union opening round
- Oct 3 1st congress of Pan European Movement (Pan-Europese Beweging) opens in Vienna
- Oct 3 English long distance runner Violet Piercy sets first recognised female marathon record in 3:40:22 on the Polytechnic Marathon course between Windsor and London
- Oct 4 Dahlia is officially designated as San Francisco city flower
Event of Interest
Oct 9 Dutch Queen Wilhelmina opens Royal Colonial Institution

Wilhelmina of the Netherlands
Historic Publication
Oct 14 A. A. Milne's book "Winnie the Pooh" released

A. A. Milne
Contract of Interest
Oct 14 Walter Johnson retires, signs 2-year contract to manage Newark

Walter Johnson

Vladimir Lenin
- Oct 19 John C Garand patents semi-automatic rifle
Event of Interest
Oct 19 Russian Politburo throws out Leon Trotsky and his followers

Leon Trotsky
- Oct 20 Hurricane in Cuba, kills 600
Event of Interest
Oct 22 J. Gordon Whitehead sucker punches magician Harry Houdini in the stomach in Montreal

Harry Houdini
- Oct 24 Harry Houdini's last performance, at the Garrick Theatre in Detroit, Michigan
- Oct 25 Lester Patrick becomes 1st coach & gm of NY Rangers
- Oct 26 Arthur Goodrich's play "Caponsacchi" premieres in NYC
- Oct 26 Belgium stabilizes current value of franc (5 franc becomes 1 "Belga")
Assassination Attempt
Oct 31 Failed assassination attempt on Benito Mussolini by 15-year-old Anteo Zamboni, who was lynched on the spot

Benito Mussolini