23rd May 1915
Western Front
Battle of Festubert: German attack repulsed.
Southern Front
Austrian attack in the Carnic Alps.
Naval and Overseas Operations
Submarine E11 sinks a gunboat in the Sea of Marmora.
Austria-Hungarian Navy launch attacks against the Italian port city of Ancona; Italian destroyers counterattack but cause little damage.
Political, etc.
Italy declares war against Austria.
Italy currently has around 1.7 million troops under arms or in training and 204 warships of various types.
Italian Note to the ministers of Italy in foreign countries on the denunciation of the Triple Alliance.
Germany announces it will stand by Austria-Hungary, but remains neutral towards Italy.
Allies warn Turkey on question of Armenian massacres.
French economist Edmond Thery estimates that the war will cost all belligerent nations $17.4 billion ($404 billion today) for the first year.
President Wilson writes he has never “doubted the loyalty and fidelity to our nation and our flag of the Americans of German derivation…”
Ship Losses:
Cromdale ( United Kingdom): The full-rigged ship ran aground at Bass Point, Cornwall.
SM UB-3 ( Kaiserliche Marine): The Type UB 1 submarine was lost in the Gulf of İzmir (cause unknown) 80 nautical miles (150 km) off İzmir with the loss of all fourteen crew.
