13 August

1914

 * Belgium: German check at Eghezee; Neufchateau occupied by Crown Prince.
 * France: Germans seize La Garde.
 * First Austrian invasion of Serbia begun: Austrians force passage of the River Drina.
 * No East Africa: British naval forces bombard and raid Dar-es-Salaam.

1915

 * Zeppelin air raid on East Suffolk and Essex concludes. Civilian casualties: 6 killed and 24 injured (inc. 9 children).
 * German attacks in Argonne repulsed. Germans bombard Raon l'Etape (Argonne).
 * Germans thrust back after three days' fighting from Vlodava (on the Upper Bug).
 * Italian progress on the Carso and advance in Sexten valley (Carn.).
 * No French torpedo boat destroyer sinks Austrian submarine in Adriatic.
 * Bulgarian Premier, M. Radoslavov, explains Bulgaria's aims, etc., to American press.