- Christopher Henry Gage enlists. Christopher is commemorated on the Centenary of WWI in Orange Honour Roll; he would be killed in action in Belgium on 26 September 1917.
- Holland reaffirms her neutrality after a secret sitting of the Second Chamber in The Hague
- Germany begins laying mines in the Baltic Sea between Dago Island and the Stockholm skerries in an attempt to prevent the entry of Russian warships
- German forces capture the village of Haucourt in the battle of Verdun as French troops progress north of Bois de Caillette
- British forces launch an attack at Lol Kissale in German East Africa
- General Aleksei Brusilov succeeds General Nikolay Ludovich Ivanov as commander of Russian armies on the southern front