Battle of the Somme: First British 30th Division attacks secure most of Trones Wood; German shelling and counter-attack compels withdrawal. French Foreign Legion has 433 casualties failing to storm ‘Chancellor’s Trench’ (until July 9), not captured till August 1.
Brusilov offensive, Pripet: Lesch breaks through north of Lutsk, crossing river Stokhod and Arsenovich and Ugli, 25 miles advanced in four days on 40-mile front. Kaiedin’s cavalry blocked 25 miles from Kovel.
Carpathians: Lechitski captures Delatyn rail junction, under 32 miles from Hungarian border.
Occupied Belgium: c. 7 RNAS aircraft and a balloon direct Anglo-French heavy gun shelling of Tirpitz Battery at Ostend (until July 9); photo-reconnaissance plane hit by anti-aircraft fire at 13,000 ft (better photos taken from 14,000 ft on July 29).