- Aug 3 British journalist Francis Younghusband visits forbidden city Lhasa
- Aug 7 Train derails on bridge in Eden, Colorado, during a flash flood, kills 96
- Aug 9 Libanus McLouth Todd of Rochester, New York patents his check-writing machine, the Protectograph designed to protect against check forgers
Historic Event
Aug 10 Angelo Giuseppe Roncalli (future Pope John XXIII) becomes a priest
- Aug 10 Battle of the Yellow Sea: Japanese fleet prevented Russians breaking out of Port Arthur
- Aug 10 Dutch newspaper Volk fires gay journalist Jacob de Cock
- Aug 10 NY Highlanders pitcher Jack Chesbro ends string of 30 consecutive complete games in a 5-1 loss to Chicago White Sox at South Side Park, Chicago
- Aug 11 German-ltalian General Von Trotha defeats Herero in SW Africa
- Aug 11 The Russian fleet in the harbor of at Port Arthur is exposed to Russian guns on the hill above the harbor; Russian ships attempt escape, but most are forced back into harbor by Japanese ships
- Aug 16 NYC begins building Grand Central Station
- Aug 17 Boston's Jesse Tannehell no-hits Chicago White Sox, 6-0
- Aug 17 George H Reid succeeds John Watson as Prime Minister of Australia
First Labour Government
Aug 18 Chris Watson resigns as Prime Minister of Australia and is succeeded by George Reid
Boxing Title Fight
Aug 25 Champion James J. Jeffries scores a 2nd round TKO win over Jack Munroe in San Francisco; Jeffries retires after his 7th heavyweight boxing title defence