30 January

1915 (Saturday)

• French lose ground and 700 prisoners in Western Argonne.
• German offensive near Lipno (north-west Poland) driven back.
• Russians defeat Turks at Sufian, and drive them from Tabriz (see 8 January and 14 June).
• German submarine sinks four British merchant vessels off Lancashire coast.
• British Admiralty warn British merchant vessels to fly neutral or no ensigns in vicinity of British Isles (see 6, 7 and 11 February).

Acknowledgements

Various material contemporary with the war have been used to compile The Great War:On This Day and associated index. Data has been gleaned from two main sources: Chronology of the War (1918-1920), and History of the Great War – Principal Events 1914-1918 (1922). The information in these works were deemed correct at the time of their respective publication dates, and may not accurately represent present-day histories, spelling of place names, political, and geographical boundaries. Click here for a full list of sources.