Graphic shows how the initially successful campaign turned into one of the most humiliating surrenders in British military history, just three months after the humiliating retreat at Gallipoli.

GN31826DE

EN AR DE ES PT

HUNDERT JAHRE WKI

Mesopotamien Kampagne

July 28, 2014 - Turkey’s entry into the war on October 29, 1914 immediately prompted Britain to open a new military front in the Ottoman province of Mesopotamia. The Royal Navy was one of the world’s first navies to switch from coal to oil, and the British-Indian expeditionary force sent to Mesopotamia was intended to protect vital oil supplies from Persia and secure Britain’s naval supremacy.