- The Dutch steamer SS Batavier V strikes a mine planted by German submarine UC-6 in the North Sea. Within three minutes the ship’s decks are awash and cargo is strewn everywhere. Twenty minutes later the vessel sinks; three crewmembers and one American passenger die.
- The House of Commons passes the second Military Service Bill extending compulsion to married men
- Austrian troops capture the heavily defended Italian trenches on Soglio d’Aspio
- Troops of the Anzac Mounted Division storm the Turkish camp at Bir Bayud in Sinai