7th September 1917
Western Front
A U.S. hospital on the French coast is bombed by a German aeroplane, causing 3 deaths—one of the first US Army deaths in France.
Southern Front
British activity on Struma front (eastern Macedonia).
Italians attack Monte S. Gabriele.
Austrians bomb Venice.
Asiatic and Egyptian Theatres
Health of troops in Mesopotamia reported greatly improved.
Aviation
First flight of the Port Victoria P.V.8.
Political, etc.
U.S.A. contemplate seizing 400,000 tons of neutral shipping in American ports.
President Wilson bans the exportation of gold to Mexico, Spain, and Japan.
M. Ribot's ministry resigns.
Ship Losses:
Antonio Ferro (Russia) The tug foundered on this date with the loss of seven of her crew.
HMT By George (Royal Navy) The naval trawler struck a mine laid by
UC 23 (Volkhard von Bothmer and sank in the Gulf of Ruphani (40°38′N 34°54′E) with the loss of two of her crew.
Casa Blanca (Portugal) The sailing vessel was sunk in the Atlantic Ocean by SM UB-49 ( Kaiserliche Marine).
Clan Ferguson (United Kingdom) The collier was torpedoed and sunk in the Atlantic Ocean 15 nautical miles (28 km) off Cape Spartel, Morocco (35°50′N 6°10′W) by
SM UB-49 ( Kaiserliche Marine) with the loss of ten crew.
Grelfryda (United Kingdom) The cargo ship was torpedoed and damaged in the North Sea 4 nautical miles (7.4 km) south west by west of Flamborough Head, Yorkshire by
SM UB-34 ( Kaiserliche Marine). She was beached, but was later refloated, repaired and returned to service.
Haakon VII (Norway) The cargo ship was torpedoed and sunk in the Atlantic Ocean 3 nautical miles (5.6 km) east south east of Land's End, Cornwall, United Kingdom by
SM UB-35 ( Kaiserliche Marine) with the loss of three of her crew.
Hinemoa (United Kingdom) The four-masted barque was shelled and sunk in the Atlantic Ocean 35 nautical miles (65 km) west south west of the Bishop Rock, Isles of Scilly (49°30′N 7°08′W) by
SM UC-16 ( Kaiserliche Marine). Her crew survived.
Hunsbridge (United Kingdom) The collier was torpedoed and sunk in the Atlantic Ocean 60 nautical miles (110 km) west south west of Cape Spartel (35°10′N 6°50′W) by
SM UB-49 ( Kaiserliche Marine) with the loss of three of her crew.
Minnehaha (United Kingdom) The ocean liner was torpedoed and sunk in the Atlantic Ocean 12 nautical miles (22 km) south east of the Fastnet Rock (51°17′N 9°22′W) by
SM U-48 ( Kaiserliche Marine) with the loss of 43 lives.
Mont de Piete (France) The vessel was sunk in the Bay of Biscay off the mouth of the Loire by
SM UC-71 ( Kaiserliche Marine).
Myrmidon (United Kingdom) The cargo ship was damaged in the Mediterranean Sea (37°10′N 6°51′E by
SM UC-54 ( Kaiserliche Marine) with the loss of two of her crew. She was beached at Philippeville, Algeria but was later refloated.
Versailles (France) The fishing vessel was shelled and sunk in the Atlantic Ocean 107 nautical miles (198 km) south by west of Ouessant, Finistère (47°49′N 7°38′W) by
SM UC-50 ( Kaiserliche Marine). Her crew survived.
Vestfjeld (Norway) The four-masted barque was sunk in the Atlantic Ocean 40 nautical miles (74 km) south west of the Bishop Rock by
SM UC-16 ( Kaiserliche Marine). Her crew survived.