Wreckage of the SL-11. Image courtesy World War One Photos Archive. www.WW1Photos.com
- Sixteen German airships drop more than 500 bombs on London and other parts of England. Lieutenant William Leefe Robinson shoots down airship SL-11, which crashes in a field near the village of Cuffley in Hertfordshire, the first German airship brought down on British soil. Lieutenant Robinson is awarded the Victoria Cross for his actions. First German Airship Shot Down On British Soil
- British naval aeroplanes bomb shipbuilding yards at Hoboken near Antwerp
- Russian reinforcements arrive in the Dobrudja province of Romania to help hold off the advance of the German-Bulgarian Army
- Allied forces seize German vessels in Piraeus harbour, Athens
