30 August

Western Front

 * Laon occupied by the Germans.
 * Paris bombed for the first time by German airmen.

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.

Naval and Overseas Operations

 * Cameroons: British occupy Nsanakong.