14th August 1918
Western Front
German retreat from River Ancre begins; evacuation of Beaumont-Hamel, Serre, Puisieux, Bucquoy.
North of Oise French capture Ribecourt.
Lys salient British establish posts south and east of Vieux Berquin (60 miles east-south-east of Hazelbrouck).
Naval and Overseas Operations
Portuguese East Africa: Germans 60 miles inland from coast at Angoche (seaport 100 miles south-west of Mozambique).
Aviation
French flying ace René Fonck shot down three German aircraft in ten seconds in a head-on attack, with all three crashing within 100 meters (328 feet) of one another near Roye, Somme, France.
Ship Losses:
Dorothy B. Barrett (United States) The five-masted schooner was shelled and sunk in the Atlantic Ocean 6.5 nautical miles (12.0 km) off the North East End Lightship ( United States Navy) (38°54′N 74°34′W) by
SM U-117 ( Kaiserliche Marine). Her crew survived.
SM UB-57 (Kaiserliche Marine) The Type UB III submarine struck a mine and sank in the North Sea off the Belgian coast and sank with the loss of all 34 crew.
SM UB-103 (Kaiserliche Marine) The Type UB III submarine departed Zeebrugge, West Flanders, Belgium on patrol. She subsequently struck a mine and sank with the loss of all 37 crew.
Wallsend (United Kingdom) The cargo ship was torpedoed and sunk in the North Sea 1 nautical mile (1.9 km) south east of Robin Hood's Bay, Yorkshire by
SM UB-104 ( Kaiserliche Marine). Her crew survived.