Fokker Goes for a Spin
Sep 1 Anthony Fokker famously flies his aircraft "Spin" around the tower of the Grote Kerk in Haarlem
- Sep 1 M Fourny sets world aircraft distance record of 720 km
- Sep 2 Joao Chagas forms Portuguese government
US National Men's Championship
Sep 3 US National Championship Men's Tennis, Newport R.I.: William Larned wins his 5th consecutive & 7th overall US singles title; beats Maurice McLoughlin 6-4, 6-4, 6-2
Laurier Loses to Borden
Sep 21 Canadian Prime Minister Wilfrid Laurier loses the election to Robert Borden of the Conservative Party
- Sep 22 Boston Rustlers' future Baseball Hall of Fame pitcher Cy Young beats Pittsburgh Pirates, 1-0 at Forbes Field for his final career victory, number 511
- Sep 23 Earl Ovington becomes 1st air mail pilot
- Sep 25 French battleship Liberte explodes at Toulon Harbor, 285 killed
- Sep 25 Groundbreaking begins in Boston for Fenway Park
- Sep 28 NY Highlanders get 13 walk & steal 15 bases (including then record 6 in one inning), beating Browns 18-12; each team committed 6 errors
Italo-Turkish War
Sep 29 Italy declares war on Turkey, starting the Italo-Turkish War