- The British 53rd Brigade attack and capture most of Schwaben Redoubt on the crest of Thiepval Plateau. They advance to the north and north-east of Courcelette, between Martinpuich and Gueudecourt.
- French forces make progress between Fregicourt and Morval
- German submarine SM U-45 torpedoes and sinks the British fishing trawler Fuschia in the North Sea. The Fuschia‘s nine crew are taken prisoner of war.