Điện Biên Phủ is a city in northwestern Vietnam, known for its historical significance during the First Indochina War. It was the site of a major battle in 1954, where the Vietnamese People's Army defeated the French forces, leading to the end of French colonial rule in Indochina. The battle at Điện Biên Phủ lasted from March to May 1954 and involved extensive military strategies and logistics. The victory is celebrated in Vietnam as a symbol of national pride and resistance against colonialism, marking a pivotal moment in the country's history.