Western Front
Battle of the Somme: British advance in Delville Wood, fighting continues near Pozieres and at Longueval.
French make progress east of Estrees.
Aisne and Champagne: German diversionary attacks.
Eastern Front
Brusilov Offensive, Galicia: Sakharov reaches Klekotov position, near Brody in the Lviv (Lvov) region and claim the capture of 6378 Austro-Hungarian troops.
Southern Front
Austro-Hungarian aeroplanes drop bombs on Bari and Otranto.
Asiatic and Egyptian Theaters
Arab Revolt: Yenbo, port of Medina (including Stotzingen mission to Yemen), surrenders to Arab forces (see June 5th).
Persia: Sykes’ 500 men leave Kerman for Yezd. Turks and Germans begin to move from Katiya line.
Russians advance towards Sivas (west of Erzingan); a Turkish attack near Mosul is repulsed. Russian troops capture 5000 grenades, 1000 artillery shells, and 600 cases of ammo from the Ottomans.
Political, etc.
Germany: Captain Fryatt, of British S.S. "Brussels" is found by German court-martial to be a franc-tireur for attempting to ram a U-boat in 1915. He is then shot.
https://en.wikipedia.org/wiki/Charles_Fryatt
Kaiser Wilhelm: “The iron hurricane rages against our brave German men at the Somme. Everything is at stake.”
United Kingdom: Laurence Ginnell, Irish Nationalist MP, is suspended from the House of Commons for calling Herbert Samuel “insolent.”
Premier Asquith revokes British titles from the two German Dukes and one German Prince.