The Battle of Mang Yang Pass (also known as the Battle of An Khê or the Battle of Dak Po) was one of the last battles of the First Indochina War between the French Union and Viet Minh which took place from 24 to 29 June 1954. The battle was one of the bloodiest defeats of the French Union forces, along with the battle of Dien Bien Phu shortly beforehand.

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