HMS Ghurka. Image courtesy Tyne & Wear Archives & Museums.
- The British destroyer HMS Ghurka sinks after striking a German mine in the English Channel near Dungeness in Kent. Only five of the 79 crew survive.
- British troops take Sailly-Saillisel ridge on the Somme and capture 78 prisoners
- British forces advance from Grandcourt along both banks of the Ancre
- Neutral sources report that US Ambassador to Germany, James Watson Gerard, is being held hostage in Berlin and is not permitted to communicate with the USA
- British operations against the Senussi in Western Egypt come to an end
