15th July 1918
Western Front
Second Battle of the Marne begins. Great German offensive on front of 50 miles east and west of Reims, from Chateau-Thierry on west to Main de Massiges on east. On east Germans held in check. On west Germans penetrate two or three miles on 20-mile front; cross Marne between Dormans and Fossoy (west of Chateau-Thierry).
Americans repulse Germans at Vaux.
Political, etc.
Field-Marshal Conrad von Hotzendorf (Austria) placed on retired list.
Ship Losses:
Barunga (United Kingdom) The cargo ship was torpedoed and sunk in the Atlantic Ocean 150 nautical miles (280 km) west by south of the Bishop Rock, Isles of Scilly (49°00′N 15°00′W) by
SM U-108 ( Kaiserliche Marine). All on board survived.
Cap Breton (France) The cargo ship was sunk in the Gironde Estuary 14 nautical miles (26 km) south west of the Cordouan Lighthouse by
SM UB-103S ( Kaiserliche Marine).
HMS Speedwell II (Royal Navy) The Q-ship was lost on this date.
Vendée (France) The cargo ship was sunk in the Bay of Biscay off Soulac-sur-Mer, Gironde by
SM UB-103 ( Kaiserliche Marine).