- The Battle of Mount Sorrel ends as Canadian troops retake their positions lost on 2 June
- Russian forces led by General Aleksei Brusilov gain ground near Czernowitz, take Torchin and reach the Stokhod River near Lutsk
- British troops take Alt Langenburg, Lake Nyassa in German East Africa
- British cruisers HMS Challenger and HMS Pioneer bombard the German held port of Dar Es Salaam, capital of German East Africa