Battle of the Somme: Very hot weather, no wind. British 38th Division attacks Mametz Wood; most of wood secured until July 11 and finally occupied at noon of July 12 (c.2,400 Germans evacuated it on night July 11-12) by British 62nd Bdrigade of 21st Division. Green Howards of 23rd Division capture remains of Contalmaison village and taking 188 PoWs. German casualties now 40,187 excluding lightly wounded.
Trentino: Alpini battalion fails to take Corno di Vallarsa, 2 Trentino volunteers with it captured, court-martialled and shot by Austrians at Trent.
Armenia: Russians retake Mamahatun.
Adriatic: Austrian U17 sinks Italian destroyer Impetuoso in Straits of Otranto.
North Sea: British freighter Calypso torpedoed.