5th May 1918
Western Front
Artillery fire on both sides and local encounters on whole front.
British line advanced at Morlancourt between Ancre and Somme.
A German long-range gun put out of action by French guns.
Naval and Overseas Operations
Von Lettow-Vorbeck defeated at Nanungu (East Africa) by General Northey's forces; enemy driven to north-east with much loss.
Naval
Australian ocean liner Kyarra is sunk by the German submarine UB-57 in the English Channel, causing 6 deaths.
Political, etc.
Lord French appointed Lord-Lieutenant of Ireland; Mr. Ed. Shortt, Chief Secretary.
Ship Losses:
Aghios Johannis (Greece) The sailing vessel was sunk in the Mediterranean Sea north of Crete by
SM U-33 ( Kaiserliche Marine).
Alberto Treves (Italy) The cargo ship was damaged in the Mediterranean Sea off Cartagena, Murcia, Spain by
SM U-38 ( Kaiserliche Marine) and was beached. She was subsequently refloated, repaired and returned to service.
Carrione (Italy) The sailing vessel was shelled and sunk in the Gulf of Genoa 5 nautical miles (9.3 km) west south west of the Capo Mele Lighthouse, Liguria (43°52′N 8°30′E) by
SM UC-35 ( Kaiserliche Marine).
HMS David Gillies (Royal Navy) The naval tug was lost in the Mediterranean Sea on this date.
Kyarra (United Kingdom) The cargo liner was torpedoed and sunk in the English Channel off Swanage, Dorset by
SM UB-57 ( Kaiserliche Marine) with the loss of six crew.
Petersham (United Kingdom) The cargo ship collided with another vessel and sank.
HMS Rhododendron (Royal Navy) The Anchusa-class sloop was sunk in the North Sea (59°33′N 2°50′W) by
SM U-70 ( Kaiserliche Marine) with the loss of fifteen of her 93 crew.
Sayeda (Egypt) The sailing vessel was sunk in the Mediterranean Sea off the coast of Egypt by
SM UC-74 ( Kaiserliche Marine).
Tommi (United Kingdom) The schooner was shelled and sunk in the Irish Sea between the Calf of Man and Chicken Rock, Isle of Man by
SM U-86 ( Kaiserliche Marine) with the loss of four of her crew.
SM UB-70 (Kaiserliche Marine) The Type UB III submarine was last reported in the Mediterranean Sea east of Gibraltar. Subsequently lost with all 33 crew.
SM UB-119 (Kaiserliche Marine) The Type UB III submarine was rammed and sunk in the Atlantic Ocean off Rathlin Island, County Donegal, United Kingdom (55°16′N 6°24′W) by
Green Island (flag unknown) with the loss of all 34 crew.