East Africa: German light cruiser Königsberg disabled in Rufiji river after 90min shelling by British monitors Mersey and Severn with Farman spotter plane assistance (crashed). Königsberg scuttled by crew but German divers salvage her 10 x 4.1-inch guns later for use ashore.
Adriatic: Italians occupy Pelagosa island and install 90-man garrison and 2 x 3-inch guns. French scout nearby Lagosta island on July 12, but Italian government vetoes against occupation on July 27.
East Africa: 2 Royal Navy Air Service floatplanes spot for 2 British monitors in elimination of German light cruiser Königsberg, Rufiji Delta.
Italy: Austrian ships bomb Venice for fourth time.
Italians make gains in Carnic Alps and repulse Austrians on July 28.
Gallipoli: IX Corps GOC Stopford arrives at Mudros, told Suvla plan on July 22, but it is revised on July 26.
USA: Secretary of State Lansing memo, ‘Germany must not be allowed to win this war, or to break even …’.