30 August
1914
Western Front
Eastern Front
- East Prussia: Rout of Samsonov's army continues: Germans capture many prisoners.
Southern Front
- Serbia: Austrians recover from repulse of first invasion and prepare for second.
References/notes
Lord Edward Gleichen (1918–1920). Chronology of the War. Volumes I, II & III. Constable & Company, London. (Copyright expired)