1st Chief Justice of Australia
Oct 5 Samuel Griffith is appointed the first Chief Justice of Australia and Sir Edmund Barton and Richard O'Connor are appointed as foundation justices
Women's Social and Political Union
Oct 10 The Women's Social and Political Union is formed by Emmeline Pankhurst to fight for women's rights in Britain
- Oct 12 Lyric Theater opens at 213 W 42nd St NYC
- Oct 13 1st Baseball World Series: Boston Americans beat Pittsburgh Pirates, 3-0 in Game 8 at Huntington Avenue for a 5-3 series victory
- Oct 13 Victor Herbert and by Glen MacDonough's operetta "Babes in Toyland" premieres at Majestic Theater, New York City
- Oct 16 Homel, 1st Jewish self defense organization founded in Russia
- Oct 20 US wins disputed boundary between District of Alaska & Canada
- Oct 23 8th Iron Bowl: Alabama beats Auburn 18-6 in Montgomery
- Oct 24 First trotter to run a mile under 2 minutes (Lou Dillon 1:58.1)
- Oct 24 George Sutton becomes billards champion
- Oct 26 Yerba Buena is first Key System ferry to cross San Francisco Bay
- Oct 30 In violation of their promise to evacuate Manchuria, the Russian reoccupy Mukden and reinforce their troops in Manchuria