- Aug 5 Mary Ritter Beard, American historian (Woman as a Force in History), born in Indianapolis, Indiana (d. 1958)
- Aug 12 Mary Roberts Rinehart, American mystery writer (The Circular Staircase), born in Allegheny City, Pennsylvania (d. 1958)
- Aug 14 Alexander I Obrenovic, King of Serbia/Yugoslavia (1922-34), born in Belgrade, Serbia (d. 1903)
- Aug 14 Sibilla Aleramo [Rina Faccio], Italian feminist and poet (Una Donna), born in Alessandria, Italy (d. 1960)
- Aug 15 Aleksandar Belic, Serbian linguist, born in Belgrade, Serbia (d. 1960)
- Aug 16 Ivan Bilibin, Russian illustrator, born in Seppälä, Russia (d. 1942)
- Aug 17 Eric Drummond, British politician and diplomat, 1st Secretary-General of League of Nations (1919-33), born in Fulford, England (d. 1951)
- Aug 17 Henri Winkelman, Dutch general, Commander-in-Chief of Dutch Armed Forces during WWII, born in Maastricht, Netherlands (d. 1952)
- Aug 29 Charles F. Kettering, American inventor (auto self-starter), born in Loudenville, Ohio (d. 1958)
- Aug 29 Kim Gu, President of the Provisional Government of the Republic of Korea (1939-48), born in Haeju, Hwanghae, Korea (d. 1949)