Key Facts
- Duration
- December 1914 – October 1918
- Persian civilian deaths
- Over 2 million
- Major contributing cause of deaths
- Persian famine of 1917–1919
- Concluded by
- Armistice of Mudros, 30 October 1918
- Political consequence
- Coup d'état 1921; rise of Pahlavi dynasty
Strategic Narrative Overview
Military operations across Iranian territory involved Ottoman, British, and Russian forces as well as local Persian units, who opposed both Entente and Ottoman combatants. Fighting spread through multiple regions of the country. The Persian famine of 1917–1919, exacerbated by British and Russian actions disrupting food supply and logistics, caused catastrophic civilian mortality far exceeding battlefield losses.
01 / The Origins
As part of the Middle Eastern Theatre of World War I, the Ottoman Empire, British Empire, and Russian Empire extended their conflict into neutral Qajar Iran beginning in December 1914. Persia's geographic position between the warring empires made it strategically important, and its weak central government was unable to resist foreign incursions onto its territory despite maintaining official neutrality.
03 / The Outcome
The campaign ended with the Armistice of Mudros on 30 October 1918. Persia emerged gravely weakened, having lost over 2 million civilians primarily to famine. The Qajar government's failure to protect sovereignty discredited the dynasty, leading directly to a coup d'état in 1921 and Reza Shah's founding of the Pahlavi dynasty shortly thereafter.
Belligerents & Mobilization Analysis
Side A
2 belligerents
Side B
3 belligerents