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Lonsdale Battalion events that took place on 13 September.
For events that took place elsewhere, see 13 September on The Great War wiki.

1914

Western Front

• Allies recover Soissons and force the passage of the Aisne there.
• Amiens recovered by the French.
• Germans begin to drive the Belgians back into Antwerp; Battle along line Aerschot-Malines.

Eastern Front

• East Prussia: Russians turn on their pursuers and defeat them at Sredniki near the Niemen.

Southern Front

• Serbians and Austrians fighting in both Serbia and Syrmia.

Asiatic and Egyptian Theatres

• Tsing-tau: Japanese capture the railway at Kiao-chau town.

Naval and Overseas Operations

• Solomon Islands: Australian troops capture Bougainville.
• The Hela, German cruiser, sunk by British submarine E9.

Political

• Germany: Herr von Bethmann-Hollweg's reply to Mr. Asquith's Guildhall speech of 4 September published.

References/notes

Lord Edward Gleichen (1918–1920). Chronology of the War. Volumes I, II & III. Constable & Company, London. (Copyright expired)